Questions tagged [virus]

For questions about how viruses influence your health. General questions about viruses are off-topic but might be asked on Biology Stack Exchange; for questions about computer viruses, try Super User or Security Stack Exchange.

Filter by
Sorted by
Tagged with
3
votes
0answers
27 views

Is there a spread of immunity agains viruses due to failed infections?

As an interested layperson (having small kids) I was told and read that some viruses are extremely infectious. E.g., very few virus particles of Norovirus (some say less than five) can cause an ...
0
votes
1answer
45 views

Why are there disproportionate deaths from new York to Washington?

Regarding the corona virus, why are there many deaths in Washington but none in new York?
1
vote
1answer
132 views

Does drinking water constantly protect against coronavirus infection?

At least in Poland there is an SMS people send to each other that warns one should be constantly drinking water, at least a few gulps every 15 mins to protect oneself against viral infection. ...
5
votes
1answer
91 views

Does viral load of the initial COVID-19 infection affect its severity?

If someone gets infected by a droplet containing a high load of the SARS-CoV-2 virus would he be more likely to develop more severe symptoms compared to someone who gets infected by a droplet ...
0
votes
0answers
53 views

How virus is distinguished by PCR test (different mutations/types? of sars-cov-2)?

I've done web search and did not find anything particular right away. Wikipedia articles are rather lengthy and I was not able to understand answer to my question. I've read yesterday there two types ...
2
votes
1answer
103 views

Why getting off the transport where person has coughed is not going to help?

There is such piece of the dialog between journalist and the doctor (in the middle of an interview about Coronavirus): -If somebody's coughing on the bus should you get off? -No, getting off isn't ...
4
votes
1answer
260 views

Who came up with the SARS-CoV-2 name?

I know that the WHO came up with the COVID-19 name, but I see big publisher (Springer) also using "SARS-CoV-2" seemingly to refer to the same thing. To be more technically correct, they say the ...
9
votes
0answers
155 views

Is there any figure about the accuracy of COVID-19 tests? [duplicate]

Recently I saw the local media (Romania) presenting a case that was initially considered COVID-19 positive and two subsequent tests led to negative results. As far as I know no official bothered to ...
3
votes
3answers
2k views

Are motorcycle helmets effective in preventing Corona?

Can a full-head helmet with the visor closed prevent getting infected by the Corona virus during a casual interaction with a carrier? For example, when buying something at a store or discussing ...
3
votes
1answer
188 views

Is Coronavirus transmission affected by the season of the host country / hemisphere?

First when the Coronavirus outbreak happened in China, some people argued that the outbreak had to do with a supposed faulty chinese health care system, due to China not being a "developed country". ...
7
votes
2answers
219 views

Why are people so worried about 2019-nCoV? [closed]

EDIT: After reading the comments and learning more about the current outbreak, I see that the premise of my question is incorrect. I mistakenly believed that the virus' mortality rate was around the ...
0
votes
0answers
58 views

What's the real Coronavirus mortality rate? [duplicate]

According to this Coronavirus death rate The World Health Organization (WHO) had mentioned 2% as a mortality rate estimate in a press conference on Wednesday, January 29 1 and again on ...
4
votes
1answer
612 views

How mutable is SARS-CoV-2 virus?

As it commonly known, mutability is a fundamental characteristic of viruses which presents the ability of virus genome to adapt to physical circumstances, prevent and circumvent vaccine effect and to ...
4
votes
1answer
163 views

Coronavirus conspiracy theory (HIV biological weapon) [closed]

There's a ridiculous conspiracy theory spreading that coronavirus is a genetically modified biological weapon gone rogue. According to one theory, the virus has traces of HIV and is designed to attack ...
0
votes
0answers
33 views

Why are bacteriophage viruses so infrequently used in the western countries?

Bacteriophages are, in eastern countries including Russia, a pretty common, or at least well known, approach to get rid of bacterial infections. (This is discussed in How Dangerous Are Superbugs ...
33
votes
5answers
14k views

Does COVID-19 have a case fatality rate of 41%? Is this formula correct?

According to the data on the Johns Hopkins Coronavirus Tracker, as of 3rd February 2020 there were 17491 confirmed cases of COVID-19 globally, 536 total recoveries and 362 deaths. From my non-expert ...
3
votes
2answers
275 views

Will there ever be a universal vaccine for the common cold?

If I get infected once with the virus which causes a common cold, does that mean I will not get infected with the same strain of the virus ever in my lifetime? Is the immune system capable and smart ...
4
votes
1answer
56 views

How do you distinguish between “cure” and “recovery” in terms of medical terminology?

​‎I hear a lot of people using the words "cure" and "recovery" interchangeably. Are these two words interchangable in epidemiology? What's the difference between these two in terms of medical ...
2
votes
0answers
70 views

By how much could we accelerate medical development of a vaccine for a pandemic?

Imagine a worst case scenario. Millions of people infected by an virus in the west. Governments willing to provide all ressources, no matter the cost. Could a hugely increased budget even be ...
2
votes
0answers
43 views

Database with cases of coronavirus (2019-nCoV)

Does exist database with symptoms of 2019-nCoV (without personal data) and especially the duration of illness. How long it lasts? Who can access this data? I want to do some data mining(to calculate ...
2
votes
0answers
40 views

How long should I quarantine items contaminated with the HSV-1 Virus (Cold Sore)?

I wanted to know how long does the HSV-1 virus lasts on, say, a tube of lip-balm? The reason I ask is I believe I gave myself a new cold sore by using a tube of lip balm that I had last used when I ...
1
vote
0answers
64 views

Might the coronavirus be transmitted by packages shipped from China? [duplicate]

There is currently a coronavirus outbreak in China. I order many packages from China, mostly electronics parts. I see that I have dealt with distributors on Aliexpress from Wuhan, the coronavirus ...
2
votes
0answers
37 views

Are respirators a better option to prevent infection? [closed]

Are respirators a better alternative to surgical or n95 masks when it comes to preventing infection by the 2019 ncov virus?
3
votes
0answers
139 views

Does someone in world already have antibodies against Wuhan coronavirus?

There's this interactive map showing progression of Wuhan coronavirus. And among other indicators it also shows number of cured individuals (38 at the moment), which is less than number of deaths, but ...
1
vote
0answers
37 views

Viruses evolving in less dangerous forms

My question could be naive, but I was not able to find an answer. I have read at several places that viruses tend to evolve to less dangerous forms (HIV for example), se they do not run out of hosts, ...
13
votes
1answer
1k views

2019 Novel Coronavirus (nCoV) lifetime outside an organism

How long will it remain potent outside an organism? I'm thinking in the context of if it can survive a couple of weeks or a month in the mail for the recipient to get infected. Edit: I tried ...
1
vote
1answer
89 views

Are virus strains different viruses?

This question comes about from another virology question concerning the common cold (Would being infected with every kind of cold virus strain at once be a good immunization or dangerous?). The ...
2
votes
0answers
21 views

Should everyone take the ebola vaccine to achieve global herd immunity?

Ebola virus disease (EVD), also known as Ebola hemorrhagic fever (EHF) or simply Ebola, is a viral hemorrhagic fever of humans and other primates caused by ebolaviruses. 1 Should everyone in the ...
1
vote
0answers
23 views

Can Protein Folding be used to develop a vaccine against the Herpes Simplex Virus (HSV)?

Scientists are researching the possibility to create a universal influenza vaccine 1. The influenza virus already has many strains 2 and evolves itself rapidly into new strains because influenza uses ...
2
votes
0answers
30 views

Should a person with warts avoid baths to avoid the spread of HPV to other body parts?

The cause of warts in general is the Human papillomavirus, or HPV for short. If I understand it correctly, HPV causes both genital warts and warts on toes. Does this mean that if a person with a wart ...
1
vote
0answers
41 views

How do STIs and STDs physically enter the body?

Nurses and health practitioners will tell you to wear a condom to prevent contracting an STD/STI, and will supplement this with "diseases and infections can be transmitted through bodily fluids which ...
1
vote
0answers
23 views

Publication on the virulence of diseases which are likely transfered by used needles from addicts

There are many (work)places, where one could get pricked accidentally by a used needle which was thrown away by a careless drug addict. Which diseases are typically present on used needles is ...
3
votes
1answer
74 views

Nasal congestion or fever as a mechanism to combat infection

As far as I know, nasal congestion and fever are generally regarded as symptoms of many illnesses (e.g. flu), not as mechanisms that the body uses to fight an infection. Nonetheless, a lot of people ...
1
vote
1answer
38 views

Varicella vaccine UK, benefits vs risk

first question on medicine stackexchange so apologies if formatting isn't right. My specific questions are If vaccinated <5 years old, is the vaccine still likely to be protective at childbearing ...
4
votes
1answer
87 views

What would happen to the body if the immune system failed to respond to a rhinovirus?

What exactly would happen to the body if the immune system did not detect or respond to a the common cold virus like Rhinovirus?
4
votes
0answers
31 views

How are drugs encapsidated?

I recently came across "drug encapsidation". So far, I have come to understand that it is a technique to insert drug particles/molecules in the protein shell of a virus, namely the capsid. But I ...
22
votes
3answers
8k views

Father gets chickenpox, but doesn't infect his two children. How is this possible?

My brother in law got chickenpox, yet somehow he didn't infect my two nephews, even though they are living together. According to wikipedia, varicella has an infection rate of 90%: Varicella is ...
2
votes
1answer
114 views

How many people are naturally immune to the chicken pox virus?

What percentage of people are naturally immune to the chicken pox virus?
4
votes
1answer
62 views

Do humidifiers help cure the flu?

According to this report, absolute humidity affects transmission and survival of the influenza virus with 90% accuracy. Lower humidity at winter promotes both the influenza virus transmission and its ...
1
vote
2answers
60 views

Chikungunya joint pain

Chikungunya can cause joint pain. Is it true that there is no treatment for Chikungunya joint pain? How do patients normally cope with it?
2
votes
0answers
27 views

What is the mechanism behind the association between azathioprine use and a higher risk of developing lymphoma?

We know that use of azathioprine and other thiopurines is associated with a small but statistically significant increase in the risk of developing lymphoma, as shown in [1] and several other easily ...
4
votes
1answer
232 views

What are the limits on the amount of pathogens that a body can be immune to at any given time?

Before the seasonal flu vaccine was recommended for all healthy adults, people in developed countries might get vaccinated against on the order of 10 different pathogens and develop immunity for some ...
2
votes
1answer
104 views

Is rabies virus infectious outside host?

Can rabies virus remain infectious on environment i.e on soil, grasses, leaves and water? I am just paranoid I may come into contact with rabid animal's saliva without knowing it. So wanted to know ...
3
votes
1answer
41 views

Dengue fever carrier

Sparked by a Dengue infection on two of my off-site colleagues in India, I read up a little on this virus. Reading the Wikipedia article on Dengue fever, I saw that 80% of the infected people are ...
3
votes
1answer
52 views

Could genetically modified viruses cure genetic diseases?

Is it possible to create a genetically modified virus to carry a custom genetic payload, that could express protiens that the host is unable to make themselves? For example, could a virus be created ...
8
votes
1answer
196 views

Why is it not possible to get HIV by touching a contaminated surface?

I was wondering if one could get HIV from basically touching a surface which has had viral DNA extract, serum, or blood on it; and then touching their (bleeding) pimple or acne, or any other open area ...
1
vote
1answer
46 views

Would it possible for me to get tested for past viral infection after vaccination?

I may or may not have a viral infection in the past and then I took vaccination for it. Would it possible for me to get tested for past viral infection? For example HPV virus using IGG test.
10
votes
2answers
261 views

STI vs STD vs Sexually Transmitted Virus

I am very confused as in my answer to Why is HIV singled out from other STIs? I agreed with the OP that HIV is an STI. I have been led to believe the following definitions: STI Stands for Sexually ...
2
votes
1answer
250 views

Why are some viruses harder to make vaccines for?

A number of common viral disease agents have vaccines produced for them: Hepatitis B, Diphtheria, Influenza (flu), Varicella (chicken pox), Poliovirus (polio), and many more. But many very serious or ...
7
votes
1answer
107 views

Does stopping fever hinder the process of killing bacteria via fever?

Since the body produces fever in order to kill bacteria, wouldn't decreasing the fever by taking anti fever medication decrease the body's ability to fight the bacteria? Assuming you have non life ...