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Questions tagged [coronavirus]

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5
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1answer
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How does sunlight affect the longevity of SARS-CoV-2 on surface?

UV radiation is known to degrade most viruses rather quickly. How does the UV radiation from sunlight affect the longevity of SARS-CoV-2 on surfaces. Of particular interest to me is the virus' ...
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123 views

How does a virus stick to a non-biological surface?

Recent events has triggered an renewed interest in understanding how a virus is able to stay on a surface. For sake of argument, let's assume we are dealing with a Corona-type virus. One can then ...
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How was 2019-nCoV (Wuhan coronavirus) identified so quickly?

It seems that from the first few cases to identifying 2019-nCoV as a new disease happened very quickly. How were they able to identify this as a new disease and not an outbreak of a previously known ...
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How does the immune system distinguish between a TH1 and a TH2 response?

Hello and thanks for taking the time to read my post. I know that naive T-Cells (T0) can be induced to become mature T-Helper cells (TH1 or TH2) by induction with either IL2 or IL4. IL2+ TH0 -> TH1 ...
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Why there is no ELISA for SARS-CoV-2?

As far as I know, SARS-CoV-2 tests currently used worldwide are real-time RT-PCR. Why there is no ELISA for SARS-CoV-2? Compared to PCRs, ELISA is: Way cheaper; Way faster; Does not require trained ...
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Would symptoms differ from eating virus contaminated food versus breathing in virus?

Would symptoms differ from eating virus contaminated food versus breathing in virus? The COVID-19 causes respiratory symptoms and I guess that is because people are breathing in virus droplets in ...
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L strain of SARS-CoV-2?

Early in the epidemic, Chinese researchers (Jian Lu, et al,) reported in the National Science Review earlier this month that there was an aggressive more virulent L strain compared to the older S ...
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Could blood transfusions from COVID19 surviver be worth researching as a possible form of treatment

As a general viral immunology question (rather than seeking personal medical advice). Would a blood transfusion from a COVID19 surviver to a sufferer be worth researching as a possible form of ...
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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% ...
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1answer
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Are there COVID-19 citizen science projects to compare habits and outcomes?

I've seen some "citizen science" projects for coronavirus that are not really collaborations, but simply requests for processing time. Are there any "real" projects where people who have gotten their ...
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Why do we not use antibodies created by people who recovered from Corona Virus as a cure?

There are a lot of people who have already recovered from the Corona Virus. A series of events I can think of (as a 17-year-old who have taken A-level Biology) 1- Take a sample from someone who ...
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SARS-CoV virus stability at low temperatures

For SARS-CoV-2 and SARS-CoV1 this study published in NEJM by a NIAID team was done at a temperature of 21-23°C (see the Methods section in their supplemental material). What's known about virus ...
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If every person between 15-60 had an immune system equal to the healthiest people, would this affect the spread of coronavirus?

Has anyone calculated the speed or breadth of the spread of something like coronavirus (or any cold, flu, airborne pathogen) based on how well the population can master the virus with their immune ...
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1answer
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what are the factors that can be used to compute the probability of getting the coronavirus?

Our team and I work on a project for the Lauzhack 2020 and to achieve this work, we need to determine some factors that can tell us what is the probability of contracting the coronavirus. Is there ...
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1answer
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Are human beings capable of producing Covid-19 Virus (SARS-CoV-2) now?

Probably SARS-CoV-2 Wikipedia is not man-made and there is no strong signature it is man-made Wikipedia. Without a real Covid-19 Virus, after knowing its gene sequence, are human beings capable of ...
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1answer
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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 ...
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Would coronavirus die quicker on soap covered tissue

Is dry soap covered skin more likely to disrupt or destroy a virus more quickly, for a significant amout of time (say several hours) than clean dry skin alone, or would it make no difference? Given ...
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Can methanol be used to dissolve lipids and protein structure (disinfect Corona virus)?

According to my quick research, disinfecting an enveloped virus can be achieved by simply taking its lipid spikes and protein envelope apart. Therefore "anything that can dissolve fat and protein ...
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55 views

How does increased relative humidity change the airborne survival rate of coronavirus COVID-19?

I would like to make some HVAC recommendations in my community to assist in slowing the eventual spread of coronavirus COVID-19. Some recommendations are obvious like properly maintained HEPA ...
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72 views

Could total 2020 flu deaths be low due to Covid19 countermeasures?

A working assumption is that Covid19 countermeasures will also reduce seasonal flu transmission and mortality. Could this effect be so large that the 2020 total global deaths from both causes will be ...
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1answer
55 views

Virus viability on fabrics

According to the article How long do viruses live on surfaces: Plastic, stainless steel, fabric, and more: With fabrics, it's unclear how long viruses can last. But generally, they tend to last ...
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Is corona virus pandemic SIS, SIR or SIRS type epidemiological model model?

This question is halway between realms of Mathematics and Epidemiology. But the particular fact I am looking for is best suited here. To put simply, which of the following cases is true for corona ...
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1answer
73 views

Does the prevalence of COVID-19 infections in West Europe compared to East Europe prove that BCG vaccine is helpful against Coronavirus?

Particularly, we see the apparent difference between East and West Germany: This also may explain why in Germany and in Israel it is the younger people who are mostly affected by the coronavirus (the ...
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Going from droplet flying through the air to ending up in the pneumocytes in the alveoli. How does SARS-CoV-2 do it?

There was a Q and A held with George Gao, the head of the Chinese CDC, published in the most recent issue of Science, where he suggests that the data support droplets as being the main mode of ...
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Have new viruses been observed in the lab?

They say bats act as mixing vessels, and if a bat has several viruses then they can recombine to create new viruses like covid19. Has this ever been observed in the lab, ie, infect a lab bat with ...
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How to avoid the Corona virus on our purchases?

I am concerned with the current epidemic of Corona virus, but I guess my question can apply to other epidemics. There is much information made available on various prophylactic measures to prevent the ...
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Poor Hygiene vs. Cross-species transmission?

Did a poor hygiene at wet Chinese markets add anything to equation to trigger critical mutation of COVID-19 helping it to transmit the virus from bats/pangolins to humans? If not, would it spread to ...
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Is Coronavirus killing by aggravating the immune system?

The widespread Covid-19 is affecting the elderly the most. The reason being given for this is that they have a weak immune system. However, what is surprising is that the virus is not affecting ...
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Does covid-19 has any particular host? Can it do effect other living things

Till now I'm not heard about any other beings affected by the covid-19 of its correct then explain your thoughts