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


How long you're infectious after a viral infection depends on the virus that caused the infection. ... Tonsillitis itself isn't contagious but the viruses that cause it are.

The incubation period of a viral infection - Virology Blog


Oct 8, 2014 ... The initial period before the symptoms of a viral infection appear is called the incubation period. Whether the host is contagious depends on the virus. ... like those from Nigeria where incubation was as long as 24 days.

The Sneaky Life of a Virus: How Long Does a Virus Last?


A contagious virus generally attacks your body over 10 days. View our sample timeline of the life of a virus for more info.

Infections: Incubation and Contagious Periods - Summit Medical ...


What are the guidelines for the common contagious infections? ... It shows how long the incubation time is for each disease. ... Cold sores (herpes) 2 to 12 See footnote B Coughs (viral) 2 to 5 Onset of cough until fever is gone Croup (viral) 2 to ...

Information for Schools | Seasonal Influenza (Flu) | CDC


Aug 18, 2016 ... How long is a person with flu virus contagious? .... antibodies that provide protection against influenza virus infection develop in the body.

When are colds contagious? | Go Ask Alice!


Jul 30, 2015 ... When is a person with a cold contagious? ... The common cold, also known as an upper respiratory infection (URI), can be caused by any of more than 200 viruses. These viruses attack and multiply in the cells that line the nose and throat. Colds .... Long-Distance & On-Line Relationships · Nonconsensual ....

Viral Throat Infections - Viral Infections - Infectious Disease ...


Aside from strep throat, most sore throats caused by are contagious, viral throat infections that cannot be treated with antibiotics. The most common culprits of a ...

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


Jan 17, 2015 ... You can be contagious from a few days up to two weeks or more, depending on which virus is causing your stomach flu (gastroenteritis).

Infection: Bacterial or viral? - Mayo Clinic


As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between  ...

Hand, Foot and Mouth Disease (Coxsackie viral infection)


Hand, foot and mouth disease is a viral infection caused by a strain of Coxsackie virus. ... When and how long can someone spread the disease? A person is contagious when the first symptoms appear and may continue until the blister-like  ...

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Am I Contagious? When to Stay Home Sick - Healthline


Jul 30, 2015 ... The flu is a viral infection that targets your head and chest. You'll have a runny or stuffy ... For how long am I contagious? The flu is contagious a ...

Is My Kid Contagious? - Parents


But symptoms can last for up to two weeks, and he's contagious as long as he's ... A viral infection that causes fever and a red, bumpy, itchy rash, chickenpox can ...

How Long Is a Cold or Flu Contagious? - MedicineNet


Mar 4, 2016 ... Learn how cold and flu viruses spread, find out when to seek medical care for ... list / how long is a cold or flu contagious index / how long is a cold or flu contagious article ... Colds are considered upper respiratory infections.