Corpus overview


Overview

MeSH Disease

Human Phenotype

Cough (11)

Fever (10)

Pneumonia (4)

Hypertension (3)

Leukopenia (2)


Transmission

Seroprevalence
    displaying 1 - 10 records in total 33
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    Epidemiology of SARS-CoV-2 infection MESHD in Karnataka State, South India: Transmission TRANS dynamics of symptomatic vs. asymptomatic TRANS infections

    Authors: Narendra Kumar; Shafeeq K S Hameed; Giridhara R Babu; Manjunatha M Venkataswamy; Prameela Dinesh; Prakash B G Kumar; Daisy A John; Anita Desai; Ravi Vasanthapuram; Jonathan Flint; Eleazar Eskin; Chongyuan Luo; Shangxin Yang; Omai B Garner; Yi Yin; Joshua S Bloom; Leonid Kruglyak; Jason M Goldstein; Joel M Montgomery; Christina F Spiropoulou

    doi:10.1101/2020.09.17.20196501 Date: 2020-09-18 Source: medRxiv

    Background: In this report, we describe the epidemiology of SARS-CoV-2 infection MESHD, specifically examining how the symptomatic persons drove the transmission TRANS in the state of Karnataka, India, during the lockdown phase. Methods: The study included all the cases reported from March 8 to May 31, 2020 in the state. Any person with history of international or domestic travel TRANS from high burden states, those presenting with Influenza-like or Severe Acute Respiratory Illness MESHD and high-risk contacts of COVID19 cases, who were SARS-CoV-2 RT-PCR positive were included. Detailed analysis based on contact TRANS tracing TRANS data available from line-list of the state surveillance unit was performed using cluster analysis software package. Findings: Amongst the 3404 COVID-19 positive cases, 3096 (91%) were asymptomatic TRANS while 308 (9%) were symptomatic. Majority of the asymptomatic TRANS cases were in the age TRANS range of 16-50 years while symptomatic cases were between 31-65 years. Most of those affected were males TRANS. Cluster analysis of 822 cases indicated that the secondary attack rate TRANS, size of the cluster (dispersion) and occurrence of overt clinical illness is significantly higher when the index case in a cluster was symptomatic compared to an asymptomatic TRANS. Interpretation: Our findings indicate that both asymptomatic TRANS and symptomatic SARS-CoV-2 cases transmit the infection MESHD; however, the main driving force behind the spread of infection within the state was significantly higher from symptomatic cases. This has major implications for policies related to testing. Active search for symptomatic cases, subjecting them to testing and treatment should be prioritized for containing the spread of COVID-19.

    Clinical Characteristics of Severe Covid Pneumonia HP: Exploring New Trends in ICU

    Authors: Aftab Akhtar; Sheher Bano; Ahtesham Iqbal; Moazma Ramzan; Aayesha Qadeer; Syed Waqar Hussain; Anam Saleem; Omair-ul-Haq Lodhi; Sana Zubair; Abdul Hameed kiani

    doi:10.21203/rs.3.rs-69224/v1 Date: 2020-08-31 Source: ResearchSquare

    Background: In late December 2019, Covid-19 emerged as clusters of pneumonia HP pneumonia MESHD of unknown cause in a province of china, Wuhan. Etiological agent was identified as novel coronavirus that resembles severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East Respiratory syndrome coronavirus (MERS-CoV) MESHD and has zoonotic transmission TRANS. Covid pneumonia HP can remain asymptomatic TRANS, present as mild infection, severe HP infection, severe MESHD pneumonia HP pneumonia MESHD or respiratory failure HP respiratory failure MESHD. Diagnosis is based on rRT-PCR carried out on respiratory secretions. Covid related mortality exceeds 50% once patient requires ICU admission. Objective: To study the characteristics of ICU population admitted to ICU of Shifa International hospital.Results: we prospectively analysed 74 patients which included 43.3% females TRANS and 56.7% males TRANS. Commonest symptoms were shortness of breath MESHD (94.5%), fever HP fever MESHD (74.3%) and cough HP (74.3%). Most of our study population consisted of non-smokers (79.7%) and had hypertension HP hypertension MESHD (59.4%) followed by diabetes MESHD (47.2%). Hydroxychloroquine (HCQ) and azithromycin combination is superior to hydroxychloroquine and doxycycline in reducing mortality (p=0.023) whereas Doxycycline alone resulted in increased mortality (p=0.009). Those who did not require antibiotics or required only narrow spectrum antibiotics had increased survival and reduced requirement of invasive mechanical ventilation (p=< 0.0001). in our study population, (44.9%) developed acute kidney injury HP acute kidney injury MESHD, 2.7% needed re-intubations 10.8% developed surgical emphysema HP emphysema MESHD and 2.7 % thromboembolic MESHD events despite full anticoagulation. ICU mortality was 41.8% and was higher in females TRANS (59.4%, p=0.008), those who had SOFA score > 3.5 at time of admission, raised D-Dimers > 931 ng/ml, NLR > 9.2. It was further high in those who required invasive mechanical ventilation and vasopressor support (58.1% mortality p=< 0.001). ICU stay was more prolonged in those requiring invasive mechanical ventilation as compared to those who did not. (23 days vs 6 days, p=0.001). Mean plateau pressure was 19.6 ± 7.6; mean Driving pressures 14.4 ± 4.6; mean PaO2/FiO2 150.7 ± 73.9; mean SPO2/FiO2 173.9 ± 106.9; mean PEEP was 8.2 ±4.33.Conclusion: We concluded that severe covid pneumonia HP pneumonia MESHD is common amongst males TRANS, non-smokers those who had comorbid. HCQ and azithromycin combination is superior to combination of HCQ and doxycycline or doxycycline alone and QT prolongation MESHD is a rare complication. Baseline NLR, APACHI II, SOFA, SAPS II, NUTRIC scores, D-Dimers, invasive ventilation and vasopressor support are important tools to predict ICU mortality. Invasive mechanical ventilation carries higher mortality and associated with more prolonged ICU stay. AKI is most common complication followed by shock HP and surgical emphysema HP emphysema MESHD. CRP, Ferritin levels has no impact on outcome.

    The Prevalence SERO and Clinical Significance of Presymptomatic COVID-19 Patients: How We Can be One Step Ahead in Mitigating a Deadly Pandemic

    Authors: Juen Kiem Tan; Dalleen Leong; Hemalatha Munusamy; Nor Hazwani Zenol Ariffin; Najma Kori; Rozita Hod; Petrick Periyasamy

    doi:10.21203/rs.3.rs-60558/v1 Date: 2020-08-16 Source: ResearchSquare

    Presymptomatic COVID-19 patients have been identified as a major stumbling block in efforts to break the chain of transmission TRANS. Studies on temporal dynamics of its shedding suggests it peaks 1-2 days prior to any symptom onset TRANS. Therefore, a large proportion of patients are actively spreading the disease TRANS unknowingly whilst undetected. However, lengthy lockdowns and isolation leads to a host of socioeconomic issues and are impractical. Conversely, there exists no study describing this group and their clinical significance despite their key role in disease transmission TRANS. As a result, we devised a study to look at the prevalence SERO of presymptomatic patients with COVID-19 and subsequently, identify early indicators of infection MESHD through demographic information, biochemical and radiological abnormalities which would allow early diagnosis and isolation. In addition, we will look into the clinical significance of this group and their outcome; if it differs from asymptomatic TRANS or symptomatic patients. Our analysis shows a higher proportion of presymptomatic patients with atypical symptoms like chest pain HP chest pain MESHD while symptomatic patients commonly present with respiratory symptoms like cough HP cough MESHD and shortness of breath MESHD. Besides that, there were more females TRANS presenting as presymptomatic patients and receiving treatment compared to males TRANS and this was found to be statistically significant. Otherwise, we were not able to identify other statistically significant markers suggesting a patient is presymptomatic. As we have little means of identifying these silent spreaders, it highlights further the importance of general measures implemented to stop COVID-19 transmission TRANS like social distancing, face mask, and widespread testing.

    Transmission TRANS Dynamics of SARS-CoV-2 in a Mid-size City of China

    Authors: Hongjun Zhao; Xiaoxiao Lu; Wenhui Lun; Tiegang Li; Boqi Rao; Dedong Wang; Di Wu; Fuman Qiu; Zhicong Yang; Lu Jiachun

    doi:10.21203/rs.3.rs-59402/v1 Date: 2020-08-14 Source: ResearchSquare

    Background: An outbreak of pneumonia HP pneumonia MESHD associated with the severe acute respiratory syndrome coronavirus 2 MESHD (SARS-CoV-2) emerged in Wuhan city and then spread to other cities. It is very urgent to delineate the epidemiological and clinical characteristics of these affected patients. Methods: To investigate the epidemiological characteristics of the COVID-19, we describe a case series of 473 patients with confirmed COVID-19 in Wenzhou of China from January 27 to March 2, 2020.Results: The median age TRANS of all patients was 47.6 years, 48.4% of which were female TRANS. 33.8% of the patients had a history of residence in Wuhan. Fever HP Fever MESHD (71.7%) and cough HP (43.1%) were the most common symptoms. In addition, three kinds of unconventional cases were observed, namely 4.9% asymptomatic TRANS patients, 7.6% confirmed patients who had no link to Wuhan city but contact with individuals from Wuhan without any symptoms at the time of contact, and 12.9% confirmed patients who had an unknown source of transmission TRANS. We estimated that the basic reproductive number TRANS ( R0 TRANS) was 2.75 (95%CI: 2.37-3.23). The effective reproduction number TRANS (Rt) fluctuated within the range of 2.50 to 3.74 from January 11 to January 16 while gradually reached the peak of 3.74 on January 16. Rt gradually decreased after January 16 and decreased to 1.00 on January 30. Rt continually decreased and reached the lowest point (0.03) on February 21, 2020.Conclusion: Our findings presented the possibility of asymptomatic TRANS carriers TRANS affected with SARS-CoV-2, and this phenomenon suggested that chances of uncontrollable transmission TRANS in the larger population might be higher than formerly estimated, and transmission TRANS by these three kinds of unconventional patients in Wenzhou may be an important characteristic of infection MESHD in other mid-sized cities in the world. This study evaluated the epidemic characteristics of Wenzhou after having cases imported from Hubei Province and the effects after adopting a series of strict prevention and control strategy. 

    Seroprevalence SERO of COVID-19 in Niger State

    Authors: Hussaini Majiya; Mohammed Aliyu-Paiko; Vincent Tochukwu Balogu; Dickson Achimugu Musa; Ibrahim Maikudi Salihu; Abdullahi Abubakar Kawu; Ishaq Yakubu Bashir; Aishat Rabiu Sani; John Baba; Amina Tako Muhammad; Fatima Ladidi Jibril; Ezekiel Bala; Nuhu George Obaje; Yahaya Badeggi Aliyu; Ramatu Gogo Muhammad; Hadiza Mohammed; Usman Naji Gimba; Abduljaleel Uthman; Hadiza Muhammad Liman; Sule Alfa Alhaji; Joseph Kolo James; Muhammad Muhammad Makusidi; Mohammed Danasabe Isah; Ibrahim Abdullahi; Umar Ndagi; Bala Waziri; Chindo Ibrahim Bisallah; Naomi John Dadi-Mamud; Kolo Ibrahim; Abu Kasim Adamu

    doi:10.1101/2020.08.04.20168112 Date: 2020-08-05 Source: medRxiv

    Coronavirus Disease MESHD 2019 (COVID-19) Pandemic is ongoing, and to know how far the virus has spread in Niger State, Nigeria, a pilot study was carried out to determine the COVID-19 seroprevalence SERO, patterns, dynamics, and risk factors in the state. A cross sectional study design and clustered-stratified-Random sampling strategy were used. COVID-19 IgG and IgM Rapid Test SERO Kits (Colloidal gold immunochromatography lateral flow system) were used to determine the presence or absence of antibodies to SARS-CoV-2 SERO in the blood SERO of sampled participants across Niger State as from 26th June 2020 to 30th June 2020. The test kits were validated using the blood SERO samples of some of the NCDC confirmed positive and negative COVID-19 cases in the State. COVID-19 IgG and IgM Test results were entered into the EPIINFO questionnaire administered simultaneously with each test. EPIINFO was then used for both the descriptive and inferential statistical analyses of the data generated. The seroprevalence SERO of COVID-19 in Niger State was found to be 25.41% and 2.16% for the positive IgG and IgM respectively. Seroprevalence SERO among age groups TRANS, gender TRANS and by occupation varied widely. A seroprevalence SERO of 37.21% was recorded among health care workers in Niger State. Among age groups TRANS, COVID-19 seroprevalence SERO was found to be in order of 30-41 years (33.33%) > 42-53 years (32.42%) > 54-65 years (30%) > 66 years and above (25%) > 6-17 years (19.20%) > 18-29 years (17.65%) > 5 years and below (6.66%). A seroprevalence SERO of 27.18% was recorded for males TRANS and 23.17% for females TRANS in the state. COVID-19 asymptomatic TRANS rate in the state was found to be 46.81%. The risk analyses showed that the chances of infection MESHD are almost the same for both urban and rural dwellers in the state. However, health care workers and those that have had contact with person (s) that travelled TRANS out of Nigeria in the last six (6) months are twice ( 2 times) at risk of being infected with the virus. More than half (54.59%) of the participants in this study did not practice social distancing at any time since the pandemic started. Discussions about knowledge, practice and attitude of the participants are included. The observed Niger State COVID-19 seroprevalence SERO means that the herd immunity for COVID-19 is yet to be achieved and the population is still susceptible for more infection MESHD and transmission TRANS of the virus. If the prevalence SERO stays as reported here, the population will definitely need COVID-19 vaccines when they become available. Niger State should fully enforce the use of face/nose masks and observation of social/physical distancing in gatherings including religious gatherings in order to stop or slow the spread of the virus.

    Phylogenomic analysis of SARS-CoV-2 genomes from western India reveals unique linked mutations

    Authors: Dhiraj Paul; Kunal Jani; Janesh Kumar; Radha Chauhan; Vasudevan Seshadri; Girdhari Lal; Rajesh Karyakarte; Suvarna Joshi; Murlidhar Tambe; Sourav Sen; Santosh Karade; Kavita Bala Anand; Shelinder Pal Singh Shergill; Rajiv Mohan Gupta; Manoj Kumar Bhat; Arvind Sahu; Yogesh S Shouche

    doi:10.1101/2020.07.30.228460 Date: 2020-07-31 Source: bioRxiv

    India has become the third worst-hit nation by the COVID-19 pandemic caused by the SARS-CoV-2 virus. Here, we investigated the molecular, phylogenomic, and evolutionary dynamics of SARS-CoV-2 in western India, the most affected region of the country. A total of 90 genomes were sequenced. Four nucleotide variants, namely C241T, C3037T, C14408T (Pro4715Leu), and A23403G (Asp614Gly), located at 5UTR, Orf1a, Orf1b, and Spike protein regions of the genome, respectively, were predominant and ubiquitous (90%). Phylogenetic analysis of the genomes revealed four distinct clusters, formed owing to different variants. The major cluster (cluster 4) is distinguished by mutations C313T, C5700A, G28881A are unique patterns and observed in 45% of samples. We thus report a newly emerging pattern of linked mutations. The predominance of these linked mutations suggests that they are likely a part of the viral fitness landscape. A novel and distinct pattern of mutations in the viral strains of each of the districts was observed. The Satara district viral strains showed mutations primarily at the 3' end of the genome, while Nashik district viral strains displayed mutations at the 5' end of the genome. Characterization of Pune strains showed that a novel variant has overtaken the other strains. Examination of the frequency of three mutations i.e., C313T, C5700A, G28881A in symptomatic versus asymptomatic TRANS patients indicated an increased occurrence in symptomatic cases, which is more prominent in females TRANS. The age TRANS-wise specific pattern of mutation is observed. Mutations C18877T, G20326A, G24794T, G25563T, G26152T, and C26735T are found in more than 30% study samples in the age group TRANS of 10-25. Intriguingly, these mutations are not detected in the higher age TRANS range 61-80. These findings portray the prevalence SERO of unique linked mutations in SARS-CoV-2 in western India and their prevalence SERO in symptomatic patients. ImportanceElucidation of the SARS-CoV-2 mutational landscape within a specific geographical location, and its relationship with age TRANS and symptoms, is essential to understand its local transmission TRANS dynamics and control. Here we present the first comprehensive study on genome and mutation pattern analysis of SARS-CoV-2 from the western part of India, the worst affected region by the pandemic. Our analysis revealed three unique linked mutations, which are prevalent in most of the sequences studied. These may serve as a molecular marker to track the spread of this viral variant to different places.

    Joint CBC-ICT Interpretation for the pre-surgical screening of COVID 19 asymptomatic TRANS cases: A cross-sectional study

    Authors: Tanzeel Imran; Humera Altaf Naz; Hamza Khan; Ali Haider Bangash; Laraib Bakhtiar Khan; Haroon Khan

    doi:10.1101/2020.07.16.20138354 Date: 2020-07-17 Source: medRxiv

    Background On 26th, February 2020, first cases of COVID 19 were confirmed in Pakistan. Since then, surgeries were halted in a bid to prevent transmission TRANS. However, since such a long halt is infeasible, a general protocol of screening the carriers TRANS, especially asymptomatic TRANS carries, is a dire need of time. The objective of our study is to propose an economically feasible protocol of COVID 19 screening. Simple but effective screening strategies can help to restore the workings of hospital surgical departments. Methods We analyzed the clinical data of patients turning up for elective surgeries at the Rawal General Hospital (RGH), Islamabad from the 24th of March to the 15th of May, 2020. Asymptomatic TRANS patients with negative COVID 19 contact and travel TRANS histories were screened with COVID 19 Immunochromatography (ICT) IgM / IgG Ab Test. Complete blood SERO count (CBC) was done and interpreted in conjunction with the ICT results. Results 39 patients with a mean age TRANS of 49 years were studied. The result of ICT for COVID-19 was positive in 9 cases (23%). The entire positive ICT patients population expressed significantly lower lymphocyte count (p<0.01); 8 patients had high monocyte count (p<0.05) whereas only 4 patients had a combined high neutrophil and monocyte count (P<0.05). All of these four patients with high neutrophil count were females TRANS. The combined interpretation of CBC and ICT IgM / IgG Ab Test had a high accuracy in diagnosing asymptomatic TRANS COVID-19 carriers TRANS that were later confirmed by real-time reverse transcriptase-polymerase chain reaction (rRT-PCR). Conclusion We propose that joint CBC-ICT interpretation should be adopted on a large scale to help in the diagnoses of asymptomatic TRANS carriers TRANS as both tests are simple and inexpensive and thus suit the developing countries limited health budget. Future research projects should be adopted in order to assess the accuracy of the proposed protocol on a large scale. Keywords: COVID-19, Surgery, Asymptomatic TRANS carriers TRANS, ICT, CBC.

    Characterization of the SARS-CoV-2 outbreak in the State of Qatar, February 28-April 18, 2020

    Authors: Hanan M Al Kuwari; Hanan F Abdul Rahim; Laith J Abu Raddad; Abdul-Badi Abou-Samra; Zaina Al Kanaani; Abdullatif Al Khal; Einas Al Kuwari; Salih Al Marri; Muna Al Masalmani; Hamad Eid Al Romaihi; Sheikh M Al Thani; Peter Coyle; Ali N Latif; Robert Owen; Roberto Bertollini; Adeel A Butt

    doi:10.1101/2020.07.15.20154211 Date: 2020-07-16 Source: medRxiv

    Objective To define the epidemiologic curve of COVID-19 in Qatar, determine factors associated with severe or critical illness MESHD, and study the temporal relation between public health measures and case finding Design Epidemiologic investigation Setting and Participants All confirmed COVID-19 cases in the State of Qatar between February 28 and April 18, 2020 Main Outcome Measures Number of total and daily new COVID-19 infections; demographic characteristics and comorbidity burden and severity of infection MESHD; factors associated with severe or critical illness MESHD Results Between February 28 and April 18, 2020 (11:00AM local time), 5,685 cases of COVID-19 were identified. Mean age TRANS (SD) was 35.8(12.0) years, 88.9% were male TRANS and 8.7% were Qatari nationals. Overall, 83.6% had no concomitant comorbidity, and 3.0% had 3 or more comorbidities. The overwhelming majority (90.9%) were asymptomatic TRANS or with minimal symptoms, with 2.0% having severe or critical illness MESHD. Presence of hypertension HP hypertension MESHD or diabetes MESHD were associated with a higher risk of severe or critical illness MESHD. Seven deaths were observed during the time interval studied. The epidemiologic curve indicated two distinct patterns of infection MESHD, a larger cluster among expatriate craft and manual workers, and a smaller one among Qatari nationals returning from abroad during the epidemic. Conclusion COVID-19 infections MESHD in Qatar started in two distinct clusters, but then became more widespread in the population through community transmission TRANS. Infections were mostly asymptomatic TRANS or with minimal symptoms and associated with very low mortality. Severe/ critical illness MESHD was associated with presence of hypertension HP hypertension MESHD or diabetes MESHD.

    Placental SARS-CoV-2 in a patient with mild COVID-19 disease

    Authors: Albert L. Hsu; Minhui Guan; Eric Johannesen; Amanda J. Stephens; Nabila Khaleel; Nikki Kagan; Breanna C. Tuhlei; Xiu-Feng Wan

    doi:10.1101/2020.07.11.20149344 Date: 2020-07-14 Source: medRxiv

    Background: The full impact of COVID-19 on pregnancy remains uncharacterized. Current literature suggests minimal maternal, fetal, and neonatal morbidity and mortality,1 and COVID-19 manifestations appear similar between pregnant and non-pregnant women.2 We present a case of placental SARS-CoV-2 virus in a woman with an uncomplicated pregnancy and mild COVID-19 disease. Methods: A pregnant woman was evaluated at University of Missouri Women and Childrens Hospital. Institutional review board approval was obtained; information was obtained from medical records. Reverse transcriptase-polymerase chain reaction (RT-PCR) was performed to detect SARS-CoV-2. A gynecological pathologist examined the placenta and performed histolopathology. Sections were formalin-fixed and paraffin-embedded; slides were cut and subjected to hematoxylin-and-eosin or immunohistochemistry (IHC) staining. IHC was performed with specific monoclonal antibodies SERO to detect SARS-CoV-2 antigen or to identify trophoblasts. Findings: A 29 year-old multigravida presented at 40-4/7 weeks for labor induction. With myalgias HP myalgias MESHD two days prior, she tested positive for SARS-CoV-2. Her parents TRANS were in self-isolation for COVID-19 positivity; husband was asymptomatic TRANS and tested negative for COVID-19, but exposed to a workplace (meatpacking facility) outbreak. Prenatal course was uncomplicated, with no gestational hypertension HP hypertension MESHD. She was afebrile and asymptomatic TRANS with normal vital signs throughout hospitalization. Her myalgias HP myalgias MESHD improved prior to admission. A liveborn male TRANS infant was delivered vaginally. Newborn course was uneventful; he was appropriate for gestational age TRANS, physical was unremarkable, and he was discharged home at 36 hours. COVID-19 RT-PCR test was negative at 24 hours. At one-week follow-up, newborn was breastfeeding well, with no fevers HP or respiratory distress HP. Overall placental histology is consistent with acute uterine hypoxia MESHD (subchorionic laminar necrosis MESHD) superimposed on chronic uterine hypoxia MESHD (extra-villous trophoblasts and focal chronic villitis MESHD). IHC using SARS-CoV-2 nucleocapsid-specific monoclonal antibody SERO demonstrated SARS-CoV-2 antigens throughout the placenta in chorionic villi endothelial cells, and rarely in CK7-expressing trophoblasts. Negative control placenta (November 2019 delivery) and ferret nasal turbinate tissues (not shown) were negative for SARS-CoV-2. Interpretation: In this report, SARS-CoV-2 was found in the placenta, but newborn was COVID-19 negative. Our case shows maternal vascular malperfusion, with no features of fetal vascular malperfusion. To our knowledge, this is the first report of placental COVID-19 despite mild COVID-19 disease in pregnancy (with no symptoms of COVID-19 aside from myalgias HP myalgias MESHD); specifically, this patient had no fever HP fever MESHD, cough HP cough MESHD, or shortness of breath MESHD, but only myalgias HP myalgias MESHD and sick contacts. Despite her having mild COVID-19 disease in pregnancy, we demonstrate placental vasculopathy MESHD and presence of SARS-CoV-2 virus across the placenta. Evidence of placental COVID-19 raises concern for possible placental vasculopathy MESHD (potentially leading to fetal growth restriction, pre- eclampsia HP eclampsia MESHD, and other pregnancy complications) as well as for potential vertical transmission TRANS -- especially for pregnant women who may be exposed to COVID-19 in early pregnancy. Further studies are urgently needed, to determine whether women with mild, pre-symptomatic, or asymptomatic TRANS COVID-19 may have SARS-CoV-2 virus that can cross the placenta, cause fetal vascular malperfusion, and possibly affect the fetus. This raises important public health and public policy questions of whether future pregnancy guidance should include stricter pandemic precautions, such as screening for a wider array of COVID-19 symptoms, increased antenatal surveillance, and possibly routine COVID-19 testing on a regular basis throughout pregnancy.

    Asymptomatic TRANS people with SARS-CoV-2 as unseen carriers TRANS of COVID-19: A systematic review and meta-analysis

    Authors: Gopiram Syangtan; Shrijana Bista; Prabin Dawadi; Binod Rayamajhee; Lok Bahadur Shrestha; Reshma Tuladhar; Dev Raj Joshi

    doi:10.21203/rs.3.rs-39512/v1 Date: 2020-07-01 Source: ResearchSquare

    Background The asymptomatic TRANS patients with SARS-CoV-2 can act as an unseen carrier TRANS for magnifying the transmission TRANS of COVID-19.Aims This study was designed to appraise the burden of asymptomatic TRANS individuals and estimate their occurrence among different age groups TRANS and gender TRANS by reviewing the existing published data on asymptomatic TRANS people with COVID-19.Methods Three electronic databases: PubMed, Embase and Web of Science (WoS) were used to search studies as per the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) and the search was limited to English language. The study population of this review includes asymptomatic TRANS individuals infected by COVID-19. All original articles which have reported cases of the COVID-19 patients with no symptoms until 31 April 2020 were included in the study. Random effects model was applied to analyze pooled data on the prevalence SERO of symptomless cases among total COVID-19 infected MESHD patients and also on different age groups TRANS and gender TRANS.Results In the meta-analysis of 16 studies, comprising 2,788 COVID-19 infected MESHD patients, the pooled prevalence SERO of asymptomatic TRANS cases was 48.2% (95% CI, 30%-67%). Among the asymptomatic TRANS patients, 55.5% (95% CI, 43.6%-66.8%) were female TRANS and 49.6% (95% CI, 20.5%-79.1%) were children TRANS.Conclusion About half of the COVID-19 infected MESHD patients were asymptomatic TRANS cases. Children TRANS and females TRANS were more apparent to be asymptomatic TRANS patient of COVID-19 and could act as unseen carrier TRANS of SARS-CoV-2. Symptom based screening only, might fail to identify all SARS-CoV-2 infections escalating MESHD the threat of global spread of SARS-CoV-2. Therefore, mass surveillance system tracking asymptomatic TRANS cases is a pressing need of public health, paying special attention to female TRANS and young children TRANS, which could aid in prevention and containment of this unprecedented pandemic.

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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