Corpus overview


Overview

MeSH Disease

Coronavirus Infections (281)

Fever (281)

Cough (104)

Infections (88)

Fatigue (79)


Human Phenotype

Fever (277)

Cough (193)

Pneumonia (91)

Fatigue (78)

Dyspnea (45)


Transmission

Seroprevalence
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    Chemical profiling of selected Ayurveda formulations recommended for Covid-19  

    Authors: Sulaiman C T; Deepak M; Ramesh P R; Mahesh K; Anandan E M; Indira Balachandran

    doi:10.21203/rs.3.rs-81207/v1 Date: 2020-09-21 Source: ResearchSquare

    Background: The novel co ronavirus disease 2 MESHD019 (COVID-19), caused by the Severe acute re spiratory syndrome coronavirus-2 ( MESHDSARS-CoV-2), is the global health concern since December 2019. It has become a big challenge for the researchers to find a solution for this newly evolved pandemic. In Ayurveda point of view, COVID-19 is a Janapadodhwamsa vikara (ep idemic disease), MESHD a situation where the environment - air, water, land and seasons - is vitiated, causing a simultaneous manifestation of a disease among large populations. The aim of this study is to identify the active compounds of selected Ayurveda medicines recommended for covid-19.Methods: Chemical profiling of selected Ayurveda medicines such as Indukantham Kwatham (IK), Vilvadi Gulika (VG) and Mukkamukkatuvadi Gulika (MMG) were carried out by High Performance SERO Thin Layer Chromatographic (HPTLC) analysis.Results: The selected preparations are traditionally recommended for the management of various kinds of fever HP ver i MESHDncluding the infectious ones and to enhance the immunity. HPTLC analysis of the same showed presence of many active molecules like Umbelliferone, Scopoletin, Caffeic acid, Ferulic acid, Gallic acid, Piperin, Curcumin, Berberine and Palmatine.Conclusion: The study provided valuable scientific data regarding the active ingredients of the selected medicines with proven therapeutic potentials like anti-viral, immunomodulatory and anti-inflammatory activities and it will be beneficial to acquire immunity against Coronavirus-2 attack.

    Pulmonary fibrosis HP Pulmonary fibrosis MESHD and its related factors in discharged patients with new coronavirus pneumonia MESHD pneumonia HP: A cohort study of 90-150 days follow-up after onset

    Authors: Xiaohe Li; Chenguang Shen; Lifei Wang; Sumit Majumder; Die Zhang; M. Jamal Deen; Yanjie Li; Ling Qing; Ying Zhang; Chuming Chen; Rongrong Zou; Jianfeng Lan; Ling Huang; Cheng Peng; Lijiao Zeng; Yanhua Liang; Mengli Cao; Yang Yang; Minghui Yang; Guoyu Tan; Shenghong Tang; Lei Liu; Jing Yuan; Yingxia Liu

    doi:10.21203/rs.3.rs-79977/v1 Date: 2020-09-18 Source: ResearchSquare

    Background: Thousands of the Coronavirus Disease MESHD 2019 (COVID-19) patients have been discharged from hospitals, long-term follow-up studies are required to evaluate the prevalence SERO of post-COVID-19 fibrosis MESHD.Methods: This study involves 462 laboratory confirmed patients with COVID-19 who were admitted to Shenzhen Third People’s Hospital from January 11, 2020 to April 26, 2020. A total of 457 patients underwent thin-section chest CT scans during the hospitalization or after discharge to identify the pulmonary lesion MESHD. A total of 289 patients were followed up from 90 days to 150 days after the onset of the disease.Results:  Parenchymal bands, irregular interfaces, meshwork and traction bronchiectasis HP were the most common CT features in all COVID-19 patients. 86.87%, 74.40%, 79.56%, 68.12% and 62.03% patients developed with pulmonary fibrosis HP pulmonary fibrosis MESHD and 4.53%, 19.61%, 18.02%, 38.30% and 48.98% patients reversed pulmonary fibrosis HP pulmonary fibrosis MESHD during the 0-30, 31-60, 61-90, 91-120 and >120 days after onset, respectively. It was observed that Age TRANS, BMI, Fever HP Fever MESHD, and Highest PCT were predictive factors for sustaining fibrosis MESHD even after 90 days from onset. A predictive model of the persistence with pulmonary fibrosis HP pulmonary fibrosis MESHD was developed based-on the Logistic Regression method with an accuracy, PPV, NPV, Sensitivity SERO and Specificity of the model of 76%, 71%, 79%, 67%, and 82%, respectively. Only a fraction of COVID-19 patients suffered with abnormal lung function MESHD after 90 days from onset, and the ratio of abnormal lung function did not differ on a statistically significant level between the fibrotic and non-fibrotic groups.Conclusions: Long-term pulmonary fibrosis HP pulmonary fibrosis MESHD was more likely to develop in patients with older age TRANS, high BMI, severe/critical condition, fever HP fever MESHD, long time to turn the viral RNA negative, pre-existing disease and delay to admission. Fibrosis MESHD developed in COVID-19 patients could be reversed in about a half of the patients after 120 days from onset. The pulmonary function of most of COVID-19 patients with pulmonary fibrosis HP pulmonary fibrosis MESHD could turn to normal condition after three months from onset. An effective prediction model with an average Area Under the Curve (AUC) of 0.84 was established to predict the persistence of pulmonary fibrosis HP pulmonary fibrosis MESHD in COVID-19 patients for early diagnosis.

    Detection of SARS-CoV-2 in peritoneal fluid from patients with kidney disease MESHD and COVID-19: report of two cases

    Authors: Margarita Ibarra-Hernandez; María de la Luz Alcantar-Vallín; Rodolfo I. Cabrera-Silva; Karina Sánchez-Reyes; Monserrat Alvarez-Zavala; Judith C. De Arcos-Jiménez; Luz A. González-Hernández; Vida V. Ruiz-Herrera; Sara A. Aguirre-Díaz; Roxana García-Salcido; Guillermo García-García; Jaime F. Andrade-Villanueva

    doi:10.21203/rs.3.rs-79032/v1 Date: 2020-09-16 Source: ResearchSquare

    Background: Coronavirus disease-2019 (COVID-19) has a broad clinical presentation, involving multiple organs besides the respiratory system. Currently, there is little evidence available on the presence of severe acute respiratory syndrome coronavirus 2 MESHD (SARS-CoV-2) in peritoneal fluid (PF). In this study, we describe the detection of SARS-CoV-2 in the PF of two patients with COVID 19 and kidney disease MESHD.Case presentation: Case 1: A 71-year-old woman with a history of end-stage kidney disease MESHD who presented with a 15-day evolution of progressive dyspnea HP dyspnea MESHD, accompanied by dry cough MESHD cough HP and fever HP fever MESHD; IgM antibodies SERO to SARS-CoV-2 were detected on admission. Real-time SARS-CoV-2 polymerase chain reaction (qRT-PCR) in the PF was positive. Three days after admission the patient's respiratory distress HP improved and she was discharged after 8 days of hospitalization.Case 2: A 78-year-old woman, with type 2 diabetes MESHD, hypertension HP hypertension MESHD, a 15-day history of polypnea, and a 5-day onset of fever HP fever MESHD and dyspnea HP dyspnea MESHD. IgM and IgG antibodies SERO to SARS-CoV-2 were detected on admission, as well as a positive nasopharyngeal qRT-PCR test for SARS-CoV-2. During hospitalization she developed acute kidney injury HP acute kidney injury MESHD, requiring peritoneal dialysis, SARS-CoV-2 was confirmed in PF by qRT-PCRConclusions: These two cases highlights the importance of increasing the level of awareness for the presence and possible SARS-CoV-2 transmission TRANS through non-respiratory routes, like peritoneal fluid.Emphasis should be given to appropriate preventive strategies for minimizing the risk of transmission TRANS of COVID-19 from patients on peritoneal dialysis in both inpatient and outpatient settings.

    Respiratory Rehabilitation After Blood SERO Transfusion in a COVID-19 Patient: A Case Report

    Authors: Mohammad Javad Mousavi; Narges Obeidi; Saeed keshmiri; Farzan Azodi; Jamile Kiyani; Farhad Abbasi

    doi:10.21203/rs.3.rs-78131/v1 Date: 2020-09-15 Source: ResearchSquare

    Background: The coronavirus disease MESHD 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 MESHD (SARS-CoV-2), has been identified as the most crucial threat of the century. Due to severe pneumonia HP pneumonia MESHD and acute respiratory distress syndrome MESHD respiratory distress HP syndrome ( ARDS MESHD), the SARS-CoV-2 can cause shortness of breath MESHD, hypoxemia HP hypoxemia MESHD, and the need to mechanical ventilation, intensive care unit (ICU) management, and eventual death MESHD. We have tried to use a non-invasive approach to prevent patient from needing respiratory support with invasive ventilation (IV). Here, for the first time, improvement of oxygen delivery and oxygen saturation levels were observed in a COVID-19 patient using packed red blood SERO cells (PRBCs) transfusion.Case presentation: A 63-year-old man with a history of smoking and addiction who came to our hospital facility with fever HP fever MESHD, shortness of breath MESHD and decreased blood SERO oxygen saturation. High-resolution chest CT revealed bilateral and multifocal ground-glass opacities consistent with COVID-19. Subsequently, the COVID-19 infection was confirmed TRANS infection was confirmed MESHD by real-time polymerase chain reaction (qRT-PCR) assay of the upper respiratory tract. Conclusions: Oxygen delivery and oxygen saturation improvement were observed in the COVID-19 patient, after PRBCs transfusions.

    The Effect of Early Hydroxychloroquine-based Therapy in COVID-19 Patients in Ambulatory Care Settings: A Nationwide Prospective Cohort Study

    Authors: Tarek Sulaiman; Abdulrhman Mohana; Laila Alawdah; Nagla Mahmoud; Mustafa Hassanein; Tariq Wani; Amel Alfaifi; Eissa Alenazi; Nashwa Radwan; Nasser AlKhalifah; Ehab Elkady; Manwer AlAnazi; Mohammed Alqahtani; Khalid Abdalla; Yousif Yousif; Fouad AboGazalah; Fuad Awwad; Khaled AlabdulKareem; Fahad AlGhofaili; Ahmed AlJedai; Hani Jokhdar; Fahad Alrabiah

    doi:10.1101/2020.09.09.20184143 Date: 2020-09-13 Source: medRxiv

    ABSTRACT BACKGROUND: Currently, there is no proven effective therapy nor vaccine for the treatment of SARS-CoV-2. Evidence regarding the potential benefit of early administration of hydroxychloroquine (HCQ) therapy in symptomatic patients with Coronavirus Disease MESHD (COVID-19) is not clear. METHODS: This observational prospective cohort study took place in 238 ambulatory fever HP clinics in Saudi Arabia, which followed the Ministry of Health (MOH) COVID-19 treatment guideline. This guideline included multiple treatment options for COVID-19 based on the best available evidence at the time, among which was Hydroxychloroquine (HCQ). Patients with confirmed COVD-19 (by reverse transcriptase polymerase chain reaction (PCR) test) who presented to these clinics with mild to moderate symptoms during the period from 5-26 June 2020 were included in this study. Our study looked at those who received HCQ-based therapy along with supportive care (SC) and compared them to patients who received SC alone. The primary outcome was hospital admission within 28-days of presentation. The secondary outcome was a composite of intensive care admission (ICU) and/or mortality during the follow-up period. Outcome data were assessed through a follow-up telephonic questionnaire at day 28 and were further verified with national hospitalisation and mortality registries. Multiple logistic regression model was used to control for prespecified confounders. RESULTS: Of the 7,892 symptomatic PCR-confirmed COVID-19 patients who visited the ambulatory fever HP clinics during the study period, 5,541 had verified clinical outcomes at day 28 (1,817 patients in the HCQ group vs 3,724 in the SC group). At baseline, patients who received HCQ therapy were more likely to be males TRANS who did not have hypertension HP hypertension MESHD or chronic lung disease HP lung disease MESHD compared to the SC group. No major differences were noted regarding other comorbid conditions. All patients were presenting with active complaints; however, the HCQ groups had higher rates of symptoms compared to the SC group ( fever HP fever MESHD: 84% vs 66.3, headache HP headache MESHD: 49.8 vs 37.4, cough HP: 44.5 vs 35.6, respectively). Early HCQ-based therapy was associated with a lower hospital admission within 28-days compared to SC alone (9.4% compared to 16.6%, RRR 43%, p-value <0.001). The composite outcome of ICU admission and/or mortality at 28-days was also lower in the HCQ group compared to the SC (1.2% compared to 2.6%, RRR 54%, p-value 0.001). Adjusting for age TRANS, gender TRANS, and major comorbid conditions, a multivariate logistic regression model showed a decrease in the odds of hospitalisation in patients who received HCQ compared to SC alone (adjusted OR 0.57 [95% CI 0.47-0.69], p-value <0.001). The composite outcome of ICU admission and/or mortality was also lower for the HCQ group compared to the SC group controlling for potential confounders (adjusted OR 0.55 [95% CI 0.34-0.91], p-value 0.019). CONCLUSION: Early intervention with HCQ-based therapy in patients with mild to moderate symptoms at presentation is associated with lower adverse clinical outcomes among COVID-19 patients, including hospital admissions, ICU admission, and/or death.

    Clinical course and management of 73 hospitalized moderate patients with COVID-19 outside Wuhan

    Authors: Xiaojuan Peng; Qi Qi Liu; Zhaolin Chen; Guiyan Wen; Qing Li; Yanfang Chen; Jie Xiong; Xinzhou Meng; Yuanjin Ding; Ying Shi; Shaohui Tang

    doi:10.21203/rs.3.rs-76135/v1 Date: 2020-09-11 Source: ResearchSquare

    Background: Moderate cases account for the majority in patients with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection MESHD and can also progress to severe/critical condition. Here, we investigated the clinical course and management of hospitalized moderate SARS-CoV-2 patients.Methods: The medical records and follow-up data were analyzed from the SARS-CoV-2 patients outside Wuhan.Results: A total of 73 moderate patients (38 men, 35 women) were included, with median age TRANS of 47.0 (38.5-57.5) years. Among them, only one patient (1.4%) died using active treatment to improve symptoms. The median duration of the four main symptoms cough HP, fever HP fever MESHD, chest tightness HP chest tightness MESHD, and fatigue HP fatigue MESHD were about 1-2 weeks; the median duration of the positive nucleic acid test (NAT) results for SARS-CoV-2 was slightly more than 2 weeks; the median hospitalization time was almost four weeks in 72 moderate survivors. The duration of cough HP cough MESHD and fever HP fever MESHD was positively correlated with the duration of the positive NAT results. On admission, 50% had lymphopenia HP lymphopenia MESHD; less than 30% had abnormal blood SERO biochemistry findings involving hyperglycemia HP hyperglycemia MESHD, liver function and myocardial enzymes. At discharge, the laboratory indexes were substantially improved. Two weeks after discharge, 5.6% survivors experienced a recurrence of the positive NAT results. Conclusions: Moderate SARS-CoV-2 patients have a good prognosis by the active treatment. After discharge, it is necessary that moderate survivors undergo at least a 2-week collective medical observation in quarantine places, which can identify and treat a proportion of patients with re-positive NAT results and to prevent the spread of the potential sources of infection MESHD.

    Risk Factors For COVID-19 Positivity in Hospitalized Patients in A Low Prevalence SERO Setting

    Authors: Iris Zohar; Orna Schwartz; Debby Ben David; Margarita Mashavi; Mohamad Aboulil; Orit Yossepowitch; Shirley Shapiro Ben David; ‪Yasmin Maor‬‏

    doi:10.21203/rs.3.rs-72761/v1 Date: 2020-09-05 Source: ResearchSquare

    Background: Identifying hospitalized patients with Coronavirus disease MESHD 2019 (COVID-19) in a low prevalence SERO setting is challenging.  We aimed to identify differences between COVID-19 positive and negative patients. Methods: Hospitalized patients with respiratory illness MESHD, or fever HP fever MESHD, were isolated in the emergency room and tested for COVID-19. Patients with a negative PCR and low probability for COVID-19 were taken out of isolation. Patients with a higher probability for COVID-19 remained in isolation during hospitalization and were retested after 48 hours. Risk factors for COVID-19 were assessed using logistic regression. Results: 254 patients were included, 37 COVID-19-positive (14.6%) and 217 COVID-19-negative (85.4%). Median age TRANS was 76 years, 52% were males TRANS. In a multivariate regression model, variables significantly associated with COVID-19 positivity were exposure to a confirmed COVID-19 case, length of symptoms before testing, bilateral and peripheral infiltrates in chest X-ray, neutrophil count within the normal range, and elevated LDH. In an analysis including only patients with pneumonia HP pneumonia MESHD (N=78, 18 positive for COVID-19), only bilateral and peripheral infiltrates, normal neutrophil count and elevated LDH were associated with COVID-19 positivity. Conclusions: The clinical presentation of COVID-19 positive and negative patients is similar, but radiographic and laboratory features may help to identify COVID-19 positive patients and to initiate quick decisions regarding isolation.

    Decrease of exercise endurance in critically ill COVID-19 survivors: 4 case reports

    Authors: Qian Geng; Xinxin Yu; Beilan Shen; Shiyue Li; Jinping Zheng; Liping Zhong; Yi Hong; Xiaoyan Huang; Qingsi Zeng; Shaoqiang Li; Feng Ye; Weijie Guan; Yanqing Xie; Nanshan Zhong; Yi Gao

    doi:10.21203/rs.3.rs-72429/v1 Date: 2020-09-04 Source: ResearchSquare

    Background: The Coronavirus Disease MESHD 2019 (COVID-19) already have been as a pandemic. However, knowledge about the sequelae of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection MESHD remains limited. Here we descirbe the pulmonary function test (PFT) and cardiopulmonary exercise test (CPET) of critically ill COVID-19 in four cases with sereve acute respiratory distress syndrome MESHD respiratory distress HP syndrome ( ARDS MESHD) after discharge.Case presentation: We introduce four patients who complained of fever HP fever MESHD, cough HP cough MESHD, chest tightness HP chest tightness MESHD and other symptoms, all of them were confirmed as SARS-CoV-2 infection MESHD by real-time reverse transcription polymerase chain reaction (RT-PCR). They were treated with mechanical ventilation because of severe ARDS MESHD. After respiratory support, antiviral and anti-infective treatment, they were weaned from mechanic ventilation with the improvement of hypoxemia HP hypoxemia MESHD. All patients were discharged from the hospital after completion of treatment and had no mortality. Around 1-month post-discharge, they were followed up for chest computed tomography (CT) scan, and performed PFT and CPET. Peak oxygen uptake of predicted (peakVO2% pred) decreased in all four cases, although spirometry were in the normal range, and only 2 cases had mild decline in carbon monoxide diffusion capacity of predicted (DLCO%pred).Conclusions: We found reduced exercise endurance in all four COVID-19 survivors, even parts of them with normal or slightly abnormal static lung function. We also believe that exercise endurance impairment of COVID-19 convalescents is more likely affected by extrapulmonary factors. Taken the above into consideration, our study highlights that the combination of PFT and CPET are important tests for tracking the development and recovery of COVID-19 survivors.

    Cytotoxic lymphocytes are dysregulated in multisystem inflammatory syndrome MESHD in children TRANS

    Authors: Noam D. Beckmann; Phillip H. Comella; Esther Cheng; Lauren Lepow; Aviva G. Beckmann; Konstantinos Mouskas; Nicole W. Simons; Gabriel E. Hoffman; Nancy J. Francoeur; Diane Marie Del Valle; Gurpawan Kang; Emily Moya; Lillian Wilkins; Jessica Le Berichel; Christie Chang; Robert Marvin; Sharlene Calorossi; Alona Lansky; Laura Walker; Nancy Yi; Alex Yu; Matthew Harnett; Melody Eaton; Sandra Hatem; Hajra Jamal; Alara Akyatan; Alexandra Tabachnikova; Lora E. Liharska; Liam Cotter; Brian Fennessey; Akhil Vaid; Guillermo Barturen; Scott R. Tyler; Hardik Shah; Yinh-chih Wang; Shwetha Hara Sridhar; Juan Soto; Swaroop Bose; Kent Madrid; Ethan Ellis; Elyze Merzier; Konstantinos Vlachos; Nataly Fishman; Manying Tin; Melissa Smith; Hui Xie; Manishkumar Patel; Kimberly Argueta; Jocelyn Harris; Neha Karekar; Craig Batchelor; Jose Lacunza; Mahlet Yishak; Kevin Tuballes; Leisha Scott; Arvind Kumar; Suraj Jaladanki; Ryan Thompson; Evan Clark; Bojan Losic; - The Mount Sinai COVID-19 Biobank Team; Jun Zhu; Wenhui Wang; Andrew Kasarskis; Benjamin S. Glicksberg; Girish Nadkarni; Dusan Bogunovic; Cordelia Elaiho; Sandeep Gangadharan; George Ofori-Amanfo; Kasey Alesso-Carra; Kenan Onel; Karen M. Wilson; Carmen Argmann; Marta E. Alarcón-Riquelme; Thomas U. Marron; Adeeb Rahman; Seunghee Kim-Schulze; Sacha Gnjatic; Bruce D. Gelb; Miriam Merad; Robert Sebra; Eric E. Schadt; Alexander W. Charney

    doi:10.1101/2020.08.29.20182899 Date: 2020-09-02 Source: medRxiv

    Multisystem inflammatory syndrome MESHD in children TRANS (MIS-C) presents with fever HP fever MESHD, inflammation MESHD and multiple organ involvement in individuals under 21 years following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection MESHD. To identify genes, pathways and cell types driving MIS-C, we sequenced the blood SERO transcriptomes of MIS-C cases, pediatric cases of coronavirus disease MESHD 2019, and healthy controls. We define a MIS-C transcriptional signature partially shared with the transcriptional response to SARS-CoV-2 infection MESHD and with the signature of Kawasaki disease MESHD, a clinically similar condition. By projecting the MIS-C signature onto a co-expression network, we identified disease gene modules and found genes downregulated in MIS-C clustered in a module enriched for the transcriptional signatures of exhausted CD8+ T-cells and CD56dimCD57+ NK cells. Bayesian network analyses revealed nine key regulators of this module, including TBX21, a central coordinator of exhausted CD8+ T-cell differentiation. Together, these findings suggest dysregulated cytotoxic lymphocyte response to SARS-Cov-2 infection in MIS-C.

    Association factors with severe cases and antiviral drug assessment in patients with COVID-19

    Authors: Xiaowei Gong; Xianfeng Guo; Shiwei Kang; Yan Li; Haixiang Gao; Yadong Yuan

    doi:10.21203/rs.3.rs-70914/v1 Date: 2020-09-02 Source: ResearchSquare

    Background Due to the latent onset of novel coronavirus disease MESHD 2019 (COVID-19), it is important to identify patients with increased probabilities for disease progression early in order to implement timely medical strategies. This study aimed to identify the factors associated with severe COVID-19 and evaluate the current antiviral drugs, especially in severe patients.Methods This was a retrospective observational study performed at the No. 7 Hospital of Wuhan (Wuhan, China) with hospitalized patients confirmed with COVID-19 from January 11 to March 13, 2020. Multivariable logistic regression analysis was used to identify the associated factors of severe COVID. Treatment of antivirus drugs were collected and evaluated.Results Of the 550 patients, 292 (53.1%) were female TRANS and 277 (50.4%) were ≥ 60 years old. The most common symptom was fever HP fever MESHD (n = 372, 67.7%), followed by dry cough MESHD cough HP (n = 257, 46.7%), and dyspnea HP dyspnea MESHD (n = 237, 43.1%), and fatigue HP fatigue MESHD (n = 224, 40.7%). Among the severe patients, 20.2% required invasive ventilator support and 18.0% required non-invasive ventilator. The identified risk factors for severe cases were: age ≥ 60 years (odds ratio (OR) = 3.02, 95% confidence interval (CI): 1.13–8.08, P = 0.028), D-dimer > 0.243 µg/ml (OR = 2.734, 95%CI: 1.012–7.387, P = 0.047), and low oxygenation index (OR = 0.984, 95%CI: 0.980–0.989, P < 0.001). In severe cases, the benefits of arbidol alone was 73.3%, which was better than ribavirin (7/17, 41.2%, P = 0.029).Conclusions Age ≥ 60 years, D-dimer > 0.243 µg/ml, and lower oxygenation index were associated with severe cases. Arbidol might provide more clinical benefits in treating patients with severe COVID-19 compared with other antiviral drugs.

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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