Jul 30, 2015 ... The flu is contagious a day before and five days to a week after its onset. ... There
are many different viruses that can cause colds. They hit the ...
Microbe World explains that all viruses are infectious by their nature, but not all
viruses are infectious to humans. A virus requires a living host cell in order to ...
Oct 8, 2014 ... Whether or not an infected person is contagious (i.e. is shedding virus) during the
incubation period depends on the virus. For example, Ebola ...
As you might think, bacterial infections are caused by bacteria, and viral
infections are caused by viruses. Perhaps the most important distinction between
Jul 30, 2015 ... In the back of my memory is the idea that one remains contagious until ... Some
basic information on how colds "work": cold-causing viruses fall ...
The influenza virus causes the classic flu. Health professionals classify the virus
as influenza type A and type B, each of which includes several subtypes or ...
Apr 26, 2016 ... Overview about the virus, how it spreads, symptoms, treatment. ... Norovirus is a
very contagious virus that can infect anyone. You can get it ...
Infectious diseases are caused by microscopic germs (such as bacteria or
viruses) that get into the body and cause problems. Some — but not all —
The way mono works in the body is tricky, so lots of people are confused about
how long it is contagious. Once someone gets mono, the virus stays in that ...
A contagious virus generally attacks your body over 10 days. View our sample
timeline of the life of a virus for more info.