Questions tagged [common-cold]

A constellation of upper respiratory and systemic symptoms, often including cough, rhinorrhea, conjunctivitis, sinusitis, and/or fever. The common cold is caused by a variety of viral pathogens, most commonly rhinovirus species. For questions about influenza, use the influenza tag instead.

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25
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2answers
5k views

Effect of the common cold on the immune system

I've heard that once a person catches a cold, his whole immune system becomes weak and is affected. In what way does having a cold influence the immune system? If it does weaken it, how can one keep ...
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2answers
375 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 ...
7
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1answer
89 views

Is this study stating red algae reduces cold virus by 92% believable?

I was using this spray meant to hasten recovery from the common cold. This study, sponsored by the pharmaceutical company that produces the spray, stated it reduced virus by 92%, and so shortens the ...
4
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1answer
99 views

Is a general vaccine against getting a cold possible?

While the common cold is a broad disease, is it possible to get vaccinated? Is it possible at least in some future, or is it even in theory not possible?
31
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3answers
5k views

How can I prevent a cold from spreading to the people around me?

I have to attend classes at the university, band rehearsals, I live with my family, so I come close with many people during the day. I have to meet most of these people on a daily basis, even when I ...
8
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2answers
2k views

How long is someone infectious after a cold?

How long is someone infectious after a cold? I am talking about a common cold, not something extreme.
6
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2answers
592 views

How to handle cold in summers with nose bleeding issues? [closed]

I have a nose bleeding issue from childhood when my body heat gets too high. This can happen from weather, or food like almonds, raisin, dates etc. But I've gotten a bit of a cold during recent ...
3
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1answer
59 views

Are these studies about red algae reducing cold virus by 92% believable? [duplicate]

I was using this spray meant to hasten recovery from the common cold. A study [1], sponsored by the pharmaceutical company that produces the spray, stated it reduced virus by 92% (this value only ...
3
votes
0answers
61 views

Would being infected with every kind of cold virus strain at once be a good immunization or dangerous?

I know colds come from around 200 different kinds of viruses. https://en.m.wikipedia.org/wiki/Common_cold But would it be worth the risk to be purposefully infected with every type of strain that ...