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Questions tagged [coronavirus]

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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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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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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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Why is the GenBank entry for the genomes of RNA viruses like coronavirus written as DNA?

The reference genome in GenBank of the sars coronavirus from Wuhan is written in the following format: attaaaggtttataccttcc (The first 20 nucleotides) ...
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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 ...
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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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Can we kill corona virus by injecting other virus/bacteria which rely on other virus to survive? [closed]

I am not a biology student. Curiously, I am asking that if we can kill coronavirus by injecting other viruses or bacteria. They will compete with each other to survive and we help our virus to win. ...
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Is touching or inhaling 70% isopropyl alcohol dangerous to humans?

I bought 99% isopropyl alcohol and made 70% alcohol + 30% water in small spraying bottles as a disinfectant. I also read that this solution is safe and recommended by Apple for cleaning iPhones. My ...
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Please critique my draft for a DIY SARS-CoV-2 testing facility so that I can offer these tests for free to those people in need [closed]

I hope your quarantines are going well. A little disclaimer before I move on: I am not a biologist. I am a Business major. My knowledge of biology is equivalent to that of an earlier high school ...
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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 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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Does the Abbott ID NOW coronavirus test return a positive result if you take it while you're still in the incubation period?

It seems like Abbott's ID Now test works by detecting the virus directly as opposed to checking for antibodies? If the test result is negative does that mean you don't have the virus? Or does that not ...
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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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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
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Transmission of COVID-19 through domesticated animals [closed]

This is an exploratory question. If a COVID-19 infected person (person is unaware that he is infected) milks the cow for couple of days, is there a possibility of him infecting the cow thereby ...
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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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Covid-19 Lethality [closed]

So I'm not a biologist by any means. But, I was having a discussion with some friends not long back and one of them was starting to believe some of the silly conspiracy theories about COVID-19 (...
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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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Are humans living in smaller countries more likely to be affected by COVID-19? [closed]

Like many people in these days I'm keeping an eye on the Coronavirus statistics and I couldn't help noticing that the percentage/rate of people with the disease is much higher in small countries than ...
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Are the conclusions in “The proximal origin of SARS-CoV-2” legit? [duplicate]

I don't have any background in genetics and bioinformatics, so I ask you if you think that the arguments provided in the article The proximal origin of SARS-CoV-2 by Andersen et al. are convincing. In ...
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Could COVID-19 have been created in a lab using the data gained from the reconstructed 1918 Spanish Flu virus? [closed]

The 1918 Spanish Flu Pandemic virus (Influenza A, H1N1) was reconstructed in a CDC laboratory back in 2005. The CDC then published how their researchers were able to accomplish this and the article ...
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How does SARS-CoV-2 spread from cell to cell in the lung? [closed]

This virus exits the cell using exocytosis after assembling golgi vesicles which contain the virus by fusing with the cell membrane. In the case of infected pneumocytes, I imagine that the virus ...
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Can someone donate antibodies? [closed]

Consider the following scenario: Person A has been infected with some virus (for example, SARS-CoV-2) Person A has recovered From this scenario, I assume Person A has managed to develop antibodies ...
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Why hasnt been developed yet a COVID-19 vaccine? [duplicate]

I'm a complete noob when it comes to biology, but as far as I remember from my biology class, a vaccine is just a the viruses itself but in small amounts so that the immune system creates memory cells....
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A poor man's COVID-19 vaccine? [closed]

If person A is infected (COVID-19) and person B is not, could the following work as a vaccination? Person A exhales (coughs?) into a a transparent bag. The bag is radiated for a long time with a ...
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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 ...
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1answer
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is it possible to visualize coronavirus infection and what type of assays are routinely used?

There has been some electron micrograph of SARS-COV-2 published; but are there any fluorescent/ confocal-fluorescent image of them? or is it possible to do them? I know that viruses are usually much ...
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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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How COVID - 19 patient are recovering without cure? [closed]

How COVID - 19 patient are recovering without cure? I didn't understand how is it possible?
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What is the magnetic spectrum of SARS-CoV-2 retrotranscribed DNA when excited with a 7.8 Hz electric field? [closed]

What is the magnetic spectrum upp to 100 kHz, and eventual other electromagnetic characteristics, of SARS-CoV-2 DNA when excited with electric fields of 7.8 Hz? The DNA is the DNA resulting from the ...
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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 ...
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How many SARS-CoV-2 viruses in circulation at the moment? Mass? [closed]

How many SARS-CoV-2 viruses are in circulation at the moment? And what is their total mass? To clarify: if there are 10 000 viruses on average in an infected human and 100 000 humans are infected the ...
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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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Have attenuated forms of SARS-NCoV-2 been evaluated as vaccines? [closed]

I was reading Schoeman, 2019 which describes possibilities for live attenuated vaccines for SARS. For example, the complete deletion of the envelope (E) protein is said to attenuate the virus. ...
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How resistant to wet heat is SARS-CoV-2 [closed]

At one of FB groups I have found the following figure: As the efficiency of disinfection methods has been tested against E. coli, I wonder, how resistant SARS-CoV-2 is? The (non peer-reviewed) paper ...
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Isopropyl + ethanol as effective disinfectant/biocide [closed]

So I have 1 liter of isopropyl alcohol 99.9% and I would like to make it more effective (make it 70% concentration) and at the same time make it last longer as there's a shortage off this stuff. So I ...
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1answer
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COVID-19: size, real image [duplicate]

I'm an electronics engineer. I was thinking about how to detect the presence of COVID-19: Obtain the sample. Increment image/sample, (I need the real size to determine increment/magnification) ...
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Persistence of SARS-CoV-2 on food containers in the fridge or freezer [closed]

There has been some indication that SARS-CoV-2 can remain infective on various surfaces for hours to days, depending on the type of surface. For example, infectivity on porous surfaces such as ...
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1answer
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Reliability of SARS-CoV-2 tests - false negatives [closed]

This is about the entire process from sample collection through transportation to lab processing and assessment. In Canada, we are seeing about one COVID-19 test in 10 produce a positive result. Can ...
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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 ...
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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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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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1answer
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Covid-19: Is it possible to get to r0 < 1 through social distancing measures?

I'm trying to wrap my head around some of the information I'm reading about how to fight Covid-19 and conflicting opinions about how much "social distancing" is required to avert a disaster, or ...
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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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Are there any documented instances of coronaviruses being directly transmitted from bats to humans?

Many human coronaviruses have ancestral host origins in species of bat. However, all instances I am aware of identified other animals as intermediary vectors: SARS-CoV: Human ← Palm Civet / Raccoon ← ...
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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 : ...
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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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Can you be immune to a coronavirus?

Can one be immune to the new coronavirus? Another question is what is the exact definition of "being immune". Does it mean that even when the virus enters my system, it cannot multiply?
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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 ...