Questions tagged [airborne-transmission]

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Why does the WHO's definition of respiratory droplets encompass such small diameters?

I frequently hear the World Health Organization (WHO) identify diameters of 5-10 μm as the size cutoff between "respiratory dropletes" and "droplet nuclei". For example, in a ...
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1answer
94 views

What is the distance the COVID-19 virus can travel in the air out of doors and remain infectious for someone breathing the same air?

I edited my question after doing some research. I also edited the question to include phrase "out of door". When indoors the risk is increased considerable with stale air or air that has ...
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21 views

Are there devices for measuring the quantity of Covid-19 (RNA) in the air?

I would like to know if there are some devices that can measure the quantity of Covid-19 in the air that a human being would inhale while walking on the streets, shopping in stores and coming back ...
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42 views

Should I wear mask to supermarket to protect myself from coronavirus? [duplicate]

US news keeps telling average people NO NEED to wear masks for coronavirus, but I see on TV that when Chinese/Korean/Japnese go out to the street, all of them wear masks. If the US advise people to ...
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19 views

How coronavirus are transmitted in New York City and in other states in the US? [duplicate]

We know coronavirus is transmitted by 1) droplet in air 2) touching a physically contaminated object by a coronavirus patient and then touch our face or mouth. Now New York City got hit so hard, ...
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1answer
176 views

With regard to COVID-19 what happens to droplets after coughing or sneezing?

Let's say 15 minutes after a person coughs or sneezes, where does the droplet go? Up in the air and down to the ground? Is it different inside a building?
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39 views

Empirial evidence that standing 1.5-2m apart reduces risk of airborne contagion

One of the measures proposed by the Dutch government to minimise the risk of spreading/acquiring the Covid-19 virus is keeping a distance of 1.5 meters from other people. Similar advice is given in ...
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1answer
99 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 ...
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How long can a virus stay in the air for?

For example, if a person with a cold goes into a small doctor's office and coughs, then they leave and 10 minutes later, you enter and breath the air in the room, can this make you sick?
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2answers
363 views

Surgical masks - do they prevent the spread of disease?

Now and then you see something like this when looking at pictures from Japan: There are supposedly many reasons for this, but one is, quoting a summary from Wikipedia: Surgical masks are popularly ...
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530 views

If someone has a bacterial throat infection (tonsillitis), can it be transmitted sexually (penetration)?

If there is an infection in the throat such as tonsillitis, where transmission is through the air "in droplets when an infected person breathes, coughs, or sneezes", then does this imply that sexual ...
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70 views

Is it possible to spread cough even if I'm not coughing?

I don't have a cough but sometimes when I go into a place a moment later a person starts to cough. Last time I met my friend that I didn't seen for a long time, having some conversation after a few ...