Almost all organizations recommend masks for the general public. Unfortunately, earlier in the pandemic, many did exactly the opposite – due to limited data but also due to concerns about diminished mask supply for healthcare workers and out of fear that masked individuals might be tempted to igno...re rules of social distancing. In addition, conflicting national guidelines have led to variable public compliance. A few physicians, in line with some COVidiots, still argue against face masks
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“Wearing masks is important. We want to recommend widespread use of masks. We are recommending that people can use cloth masks, just make sure there’s a three layer kind of thing.”Dr Zweli Mkhize, Minister of Health
available in: Xitsonga, Tshivenda, Siswati, Setswana, Sesotho, Sepedi, isiZul...u, isiXhosa, isi Ndebele, Afrikaans
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This experimental study, demonstrated that medical masks and N95 masks remained their blocking efficacy after being steamed on boiling water even for 2 hours, using avian coronavirus of infectious bronchitis virus to mimic SARS-CoV-2. Results demonstrated that three brands of medical masks blocked o...ver 99% viruses in aerosols. The avian coronavirus was completely inactivated after being steamed for 5 minutes.
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J Hosp Infect. 2020 Apr 8. pii: S0195-6701(20)30176-6. doi: 10.1016/j.jhin.2020.04.001. [Epub ahead of print]
A manual on homemade masks
This guide is designed to provide a simple outline of best practices to make, use and reuse masks to enable NGOs and individuals to self-create such masks and accelerate widespread adoption of masks across India.
The key criteria for proposed designs are:
Ease of Ac...cess to Materials
Easy of Making at Home
Ease of Use and Reuse
Wearing of masks is especially recommended for people living in densely populated areas across India
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This document aims to provide advice on the use of cloth face masks and sterilisation of respirators and surgical masks as an alternative in healthcare settings with suspected or confirmed COVID-19 cases if there is a shortage of specialised surgical masks and respirators.
Update 1 October 2020.
This document provides guidance to Member States on the effective use of face masks/coverings in the community by individuals without COVID-19 symptoms in order to reduce potential transmission of SARS-CoV-2.a It also provides advice on the use of masks during home care for ...patients with COVID-19.
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a systematic review and meta-analysis Derek K Chu et al. on behalf of the COVID-19 Systematic Urgent Review Group Effort (SURGE) study authors.
Published: The Lancet June 01, 2020 DOI: https://doi.org/10.1016S0140-6736(20)31142-9
'We did a systematic review of 172 observational studies in health-...care and non-health-care settings across 16 countries and six continents... Physical distancing of 1 m or more was associated with a much lower risk of infection, as was use of face masks (including N95 respirators or similar and surgical or similar masks [eg, 12–16-layer cotton or gauze masks]) and eye protection (eg, goggles or face shields)...'
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The purpose of this document is to give correct evidence based information to general public on use of mask.
Lancet Respir Med 2020Published OnlineMarch 20, 2020 https://doi.org/10.1016/S2213-2600(20)30134-
Wearing a face mask can help reduce the spread of COVID-19 in the community by reducing the release of respiratory droplets from asymptomatic / pre-symptomatic individuals or those with mild non-specific symptoms. The use of face masks for this purpose may be adopted to reduce the societal impact as...sociated with absence from work or healthcare pressures due to infection, or to protect vulnerable individuals in particular settings.
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21 August 2020
This guidance provides specific considerations for the use of non-medical masks, also known as fabric masks, by children as a means for source control in the context of the current COVID-19 pandemic. It also advises on the use of medical masks for children under certain conditions.
If you are healthy, you only need to wear a mask if you are taking care of a person with suspected 2019-nCoV infection.
Wear a mask if you are coughing or sneezing.
Masks are effective only when used in combination with frequent hand-cleaning with alcohol-based hand rub or soap and water.
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If you wear a mask, then you must know how to use it and dispose of it properly.
Before putting on a mask, clean hands with alcohol-based hand rub or soap and water.
Cover mouth and nose with mask and make sure there are no gaps between your face and the mask.
Avoid touching the mask while using it; if you do, clean your hands with alcohol-based hand rub or soap and water.
Replace the mask with a new one as soon as it is damp and do not re-use single-use masks.
To remove the mask: remove it from behind (do not touch the front of mask); discard immediately in a closed bin; clean hands with alcohol-based hand rub or soap and water.
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21 August 2020
This guidance provides specific considerations for the use of non-medical masks, also known as fabric masks, by children as a means for source control in the context of the current COVID-19 pandemic. It also advises on the use of medical masks for children under certain conditions.
Considerable energy has been expended over the last two decades in developing methods for identifying the presence of asthma among participants in population studies. The objective of this endeavour has commonly been to enable epidemiological research on risk factors for asthma, with the ultimate ai...m of preventing the disease. However, there are other reasons for measuring the prevalence of asthma in populations, including the desire to assess the burden of disease attributable to asthma, to track changes over time, and to compare the prevalence among population groups defined by geographical, demographic or social factors. Two major international collaborative studies arising from this work have made major contributions to our knowledge about asthma
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