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Am I Contagious? When to Stay Home Sick - Healthline

www.healthline.com/health/cold-flu/contagious

Jul 30, 2015 ... The flu is contagious a day before and five days to a week after its onset. ... The virus comes out in the droplets of sneezes and coughs.

How Long Is a Cold or Flu Contagious? - MedicineNet

www.medicinenet.com/how_long_is_a_cold_or_flu_contagious/article.htm

Mar 4, 2016 ... Learn how cold and flu viruses spread, find out when to seek medical care for influenza or a cold, and discover the contagious period for the flu ...

The incubation period of a viral infection - Virology Blog

www.virology.ws/2014/10/08/the-incubation-period-of-a-viral-infection/

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 ...

Seasonal Influenza Q&A | Seasonal Influenza (Flu) | CDC

www.cdc.gov/flu/about/qa/disease.htm

Sep 18, 2015 ... How soon will I get sick if I am exposed to the flu? How long is a person with flu virus contagious? How many people get sick or die from the flu ...

When are colds contagious? | Go Ask Alice!

goaskalice.columbia.edu/answered-questions/when-are-colds-contagious

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 ...

Influenza Causes: How the Contagious Virus Is Spread - WebMD

www.webmd.com/cold-and-flu/tc/influenza-cause

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 ...

Is Bronchitis Contagious? When You Can Catch It and How to ...

www.webmd.com/lung/is-bronchitis-contagious

It depends on the type of virus that you have. In most cases, you'll be contagious for a few days, and possibly as long as a week. Since you may not know what ...

What's the Difference Between Infectious and Contagious?

kidshealth.org/en/teens/contagious.html

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 ...

How Long Is Mono Contagious? - KidsHealth

kidshealth.org/en/teens/mono-long.html

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 ...

It's extremely contagious - 13 Things You Should Know About ...

www.health.com/health/gallery/0,,20568435_4,00.html

It's extremely contagious: Got a stomach virus? These germs cause gastroenteritis, which has symptoms like nausea, vomiting, and diarrhea.

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How long is someone infectious after a viral infection? - Health ...

www.nhs.uk

How long you're infectious after a viral infection depends on the virus that caused the infection. Most viral infections are infectious before you start feeling unwell ...

Stomach flu: How long am I contagious? - Mayo Clinic

www.mayoclinic.org

You can be contagious from a few days up to two weeks or more, depending on which virus is causing your stomach flu (gastroenteritis). A number of viruses ...

Bacteria and Viruses - Do Bugs Need Drugs?

www.dobugsneeddrugs.org

Feb 29, 2012 ... Both viruses and bacteria cause infections, but antibiotics only work against bacteria. ... Are more contagious than bacterial infections. (If more ...