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“It makes sense that it is probably more effective.”
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Dr. Anthony Fauci says that two masks are better than one.
“It makes sense that it would probably be more effective,” Fauci, the director of the National Institute of Allergy and Infectious Diseases, told NBC’s Today Show this week. “That’s the reason you see people wearing a double mask or making a version of an N95.”
The US Centers for Disease Control and Prevention has not issued official guidance on double masking. He did not advocate the use of facial coverings until April 3 last year to help prevent the user from spreading the coronavirus, but health professionals have since said that it also helps prevent the user’s infection.
“A mask is like an obstacle course for particles to pass,” Linsey Marr, a virus transmission specialist and professor of civil and environmental engineering at Virginia Tech, told AARP. A second mask “increases the chance that the particle will get stuck before it passes”.
As of Tuesday, 99.9 million people worldwide have contracted COVID-19 and more than 2.1 million people have died. The United States had 25.3 million cases and 421,890 deaths, according to data aggregated by Johns Hopkins University.
Fauci said recently that he hopes that more people will be able to receive vaccines by April to help prevent the spread of COVID-19. “I hoped that when we get to April, it will be what we call the vaccine hunting season,” Fauci told NPR. “Everyone will be able to get the vaccine. So, I think that by the end of the summer, if we have 70% to 85% of the vaccinated population and we have good herd immunity, I think that in the fall we can start to approach some form of normality. “
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US President Joe Biden last week signed a mask mandate for all federal employees and anyone on federal property. They must, according to the mandate, “all wear masks, maintain physical distance and adhere to other public health measures, as provided for in the CDC guidelines”
Fauci told NPR: “We want to reach 1 million vaccinations a day. The idea of having everyone for at least 100 days – at least – wearing a mask. All uniformly, so there are no disparities where some people are adhering to public health measures and others are not. “
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Pfizer PFE,
and the German partner BioNTech SE BNTX,
said that a final analysis of their vaccine candidate showed 95% effectiveness. Meanwhile, Moderna MRNA,
said his vaccine candidate was about 94% effective.
BioNTech and Pfizer said that an in vitro study found that their COVID-19 vaccine neutralizes the two new highly infectious variants that have emerged in the UK and South Africa. The results have been published in the prepress service bioRxiv and have not yet been reviewed. In pairs.
A vaccine candidate for AstraZeneca AZN,
and the University of Oxford is safe and effective and has shown an average effectiveness of 70% in a combined analysis of provisional data, according to a recently reviewed peer-reviewed study.