Corpus overview


Overview

MeSH Disease

Human Phenotype

There are no HP terms in the subcorpus


Transmission

Seroprevalence

There are no seroprevalence terms in the subcorpus

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    Displacement ventilation: available ventilation strategy for makeshift hospitals and public buildings to contain Covid-19and other airborne diseases MESHD

    Authors: Rajesh Kumar Bhagat; Paul Linden

    doi:10.1101/2020.04.22.20075648 Date: 2020-04-28 Source: medRxiv

    The SARS-CoV-2 virus has so far infected more than2.4 million people around the world, and its impact is being felt by all. Patients with airborne diseases MESHD such as Covid-19 should ideally be treated in negative pressure isolation rooms. However, due to the overwhelming demand for hospital beds, patients treated in general wards, hospital corridors, and makeshift hospitals. Adequate building ventilationin hospitals and public spaces is a crucial factor to contain the disease [1,2], to exit the current lockdown situation, and reduce the chance of subsequent waves of outbreaks. Lu et al. [3] reported an air-conditioner induced Covid-19 outbreak, by an asymptomatic TRANS patient, in a restaurant in Guangzhou, China, which exposes our vulnerability to future outbreaks linked to ventilation in public spaces. We demonstrate that displacement ventilation(either mechanical or naturalventilation), where air intakes are at low level and extracts are at high level, is a viable alternative to negative pressure isolation rooms, which are often not available on site in hospital wards and makeshift hospitals. Displacement ventilation produces negative pressure at the occupant level, which draws fresh air from outdoor, and positive pressure near the ceiling, which expels the hot and contaminated air out. We acknowledge that, in both developed and developing countries, many modern large structures lack the openings required for natural ventilation. This lack of openings can be supplemented by installing extract fans. We provide guidelines for such mechanically assisted-naturally ventilated makeshift hospitals, and public spaces such as supermarkets and essential public buildings

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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