Questions tagged [epidemiology]

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8
votes
1answer
450 views

Why is a (simple) mask not recommended for asymptomatic COVID-19 patients?

Information about (simple) mask wearing (concerning covid19) is a complete mystery to me. On several official places it is not recommended for a person without symptoms to wear a mask. For example: ...
21
votes
2answers
1k views

What is the main way COVID-19 spreads?

Reading numerous news articles about COVID-19, I got confused as to what is its main transmission route. In particular, I am confused as to whether it is direct landing of respiratory droplets in ...
1
vote
1answer
126 views

Do vaccinated people not have zero risk of mortality by Covid 19?

This video by Vox says people who are vaccinated have zero risk of mortality by Covid 19. But NDTV reports (at 00:21 and again at 07:53 in the video) that even fully vaccinated 8 frontline medical ...
5
votes
3answers
666 views

Why is HIV singled out from other STIs?

If HIV is an STI, then why is HIV often listed separately? Examples: HIV & Sexually Transmitted Infections Fact sheet STDs and HIV – CDC Fact Sheet What You Need To Know About the Links Between ...
1
vote
1answer
102 views

Is standing apart 2m an appropriate Social Distancing measure for choirs

In our choir, we are discussing measures to slow the spread of the novel Coronavirus in our community. However, I lack understanding about how the virus spreads in a closed room. The German Public ...
5
votes
1answer
85 views

Would facemasks reduce virus transmisions in vulnerable populations?

The US surgeon general has asked (tweeted) the public to not buy face masks, because the claim is that healthcare workers need them more. CDC does recommend: Facemasks should be used by people ...
4
votes
0answers
53 views

What are the standard demographic equations for modeling virus spread?

I am wondering what the set of differential equations is that is used to model how viruses spread in a population? I am also wondering how epidemiologists get around the highly irregular shape of a ...
4
votes
0answers
223 views

What is a sophisticated estimate of the 2019-nCoV fatality rate?

I've read through this Q&A: Is the mortality rate of 2019-nCoV 41%? My understanding from reading that Q&A is that in the early phase of an outbreak, there are two naive ways to estimate ...
1
vote
1answer
80 views

Are there any epidemiological or laboratory studies on the effectiveness of variolation?

Variolation has been brought up in some circles nowadays as a proposal to deal with the Covid-19 crisis (sometimes by invoking the glorious/revolutionary American past). Looking at the aforementioned ...
1
vote
1answer
66 views

In what time frame exactly was the 2009 H1N1 fatality rate overestimated?

I've read that "It's good to remember that when H1N1 influenza came out in 2009, estimates of case fatality were 10 per cent," said David Fisman, an epidemiologist at the University of ...
1
vote
2answers
239 views

Could increased testing for COVID-19 slow its spread enough to allow the relaxation of social distancing measures?

Can the US increase its capacity for COVID-19 testing fast enough to accomplish simultaneously: 1) slowing the spread of disease to allow hospitals to provide care for the infected, and 2) ...
-1
votes
1answer
55 views

For fighting COVID19, Why we give the body the RNA and not give the body the protien itself? [duplicate]

If I understand things correctly the popular COVID 19 vaccine gives the body RNA that teaches the body cells to create a protein that looks like the virus. And then the body learns to fight against it....