If you are looking for information on Coronaviruses, we have prepared this FAQ with information on what is on topic on this site and links to some reputable external resources.

Questions tagged [coronavirus]

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21
votes
1answer
874 views

What are the environmental conditions for SARS-CoV-2 to survive?

What do we know about the environmental limits for nCoV to survive outside the body? For example, in: In open air On surfaces In water What are the limits for temperature, humidity and air pressure,...
12
votes
2answers
610 views

Human Immune Response to COVID-19 Virus

I have tried to find an answer to this but have not found anything after multiple attempts. The question on the table is if the human body is able to produce an immune response to the COVID-19 virus ...
6
votes
1answer
1k views

What is the size (diameter) of the SARS-CoV-2 virus?

You can easily find a lot of pictures of the SARS-CoV-2 virus. But although it should be trivial for an electron microscope to measure the size, I am not able to ...
87
votes
2answers
13k views

What's the evidence against SARS-CoV-2 being engineered by humans?

A couple of colleagues suggested in a discussion that the virus that causes COVID-19 appears to be made by humans, since nature could not have produced such an efficient virus — that spreads so fast ...
42
votes
3answers
21k views

How does a Coronavirus “test kit” work?

A number of countries are using test kits for detecting new cases of nCoV (2019-Coronavirus) and apparently China is running low. What exactly is in a nCoV "Test Kit" — How does it work? (Surely ...
1
vote
0answers
125 views

How do viruses die outside of host cells? [duplicate]

I am posting a question that a friend of mine has asked. My friend wrongly assumes that SARS-CoV-2 virus can be transmitted through blood, although there is no such evidence. However, his question ...
9
votes
1answer
476 views

Is COVID-19 claimed to get less deadly over time? If so, why?

From a TV news report of a press conference from (I think) the German Robert Koch Institute, I remember hearing an expert declare that he was expecting COVID-19 to get less deadly over time. ...
4
votes
4answers
115 views

What are the difficulties/challenges against developing a coronavirus vaccine?

Multiple groups of scientists are trying to develop a coronavirus vaccine but they are not yet being fruitful. What challenges or difficulties are there in the process that slowing down and/or causing ...
2
votes
0answers
150 views

Paper shows 2 hours of high humidity and hot temperatures kills corona virus, does this stop the spread of the virus?

I found this paper (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2863430/) which says these corona virus strains live for months at 4 degrees C, 20% relative humidity. But at 40 degrees C and 80% ...
12
votes
2answers
585 views

Why are bats the source of dangerous coronavirus pandemics?

Why do coronaviruses come from bats? I mean, why precisely coronaviruses and not (for instance) herpesviruses? It looks like bats host more zoonotic viruses (per species) than rodents, although they ...
2
votes
1answer
101 views

Viral mutation rates and replication

TL;DR What's the relationship between the following? Mutation rates (expressed as "mutations per year" for a virus like e.g. COVID-19 (SARS-CoV-2). E.g. this article mentions "The rate looks to be ...
1
vote
0answers
60 views

Could old-style “inoculation” be used against COVID-19? [closed]

Before the first vaccination was invented, for smallpox, there already was a technique called inoculation or https://en.wikipedia.org/wiki/Variolation. Unlike vaccination where dead or modified ...
0
votes
0answers
26 views

CoV SARS killed/ depleted with temperature & humidity conditions - Any such R&D for Corona Covid-19 virus? [closed]

What are the environmental conditions for SARS-CoV-2 to survive? CoV SARS killed or depleted with temperature & humidity conditions - Is there any such R&D for Corona Covid-19 virus? The ...
0
votes
1answer
10 views

How can I classify the 3 clades(S, G, V) of the coronavirus that are found on GISAID?

On GISAID they classified the corona using 4 clades(S, G, V, Other). I would like to know exactly how these genomes were classified for my research. So how do you classify a coronavirus genome as ...
-1
votes
0answers
20 views

How to develop COVID-19 pneumonia vulnerability precognition test for all? [closed]

re. How to develop COVID-19 pneumonia vulnerability precognition test for all ? Hi, I have completed Infection Prevention and Control (IPC) for Novel Coronavirus (COVID-19) course by WHO and I have ...
-1
votes
1answer
112 views

Would “Pox Parties” of the young/healthy (while isolating the vulnerable) be an effective method of combating the COVID-19 outbreak?

It is commonly said that most people, especially the healthiest would only develop mild syndromes. Therefore, shouldn’t we, instead of confining all the population as a whole proceed as follows : ...