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Asked in Viruses (biological)
How long is a person contagious when they have a virus?
A person can be contagious with a virus for as long as they have symptoms. This is generally true, but people with AIDS for example are contagious for their lifetime. ...
Asked in Health, Domestic Dogs, Cat Health
How long is an upper respiratory infection contagious for?
An upper respiratory infection is contagious for as long as the active virus is in your system. Taking an antibiotic will help rid the body of the live virus. You will remain contagious for 24 hours following the first treatment of the antibiotic. ...
Asked in Cold and Flu, Microbiology
Are viral infections contagious?
It depends on what virus it is. Some viruses, like the West Nile virus, aren't contagious. Other viruses are contagious. Yes, viral infections are contagious. If you cough on somebody or kiss someone you could spread it. ...
How long is shingles contagious for?
The shingles virus is an ailment that can cause itching. While an exact time is not noted how long shingles might be considered contagious, it is suggested that one take necessary precautions to not transmit the virus. ...