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Are all viruses contagious?

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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 reproduce, but most viruses are specialized to infect only certain types of cells. read more

Yes, a virus is contagious. Some are more contagious than others. Chickenpox--virus that is highly contagious. HIV--virus that is contagious, but not through casual contact. Herpes--contagious! Lupus is not a virus, but an autoimmune disorder. Strep throat is caused by a bacteria (Strep A)--contagious, but not a virus! Common cold, virus and contagious. read more

Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human. read more

Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. read more

Yes, she can still be contagious. Viral just means its being caused by a virus, and antibiotics would have no effect, bacterial is contagious too but can be treated with antibiotics. The virus needs to run its course (sorry to say) there are things to relieve the discomfort but she can still spread it. read more

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Are all viruses contagious? | Reference.com
Source: reference.com