For most people it has about a week to ten days of symptoms, although you would probably have had it for a day or two before you felt any symptoms.
The cough can last a bit longer. If the cough isn't gone in two weeks, or if it changes, consult your health care professional to be sure that you don't have a secondary infection or complications.
According to the CDC, if you have a fully functioning immune system, you are considered no longer contagious once you go a full 24 hours without a measured fever (when taking no fever reducers). If your immune system is compromised, or if you have other underlying medical conditions, then the severity and/or duration can vary.
Gastroenteritis is usually caused by a virus. There are hundreds of viruses that can cause it. The illness can last from 3-14 days, depending on the particular virus and the health of the person.
A virus or illness causing fever and headache: flu.
A very long time.
The length varies. I've had a chronic illness for 6 years and should grow out of it. Some are life long.
herpes lasts forever
Probably until the person who had the virus is cured. But you never know how long bacteria can last.
i think it is about like a week , then i think the virus goes away
Zombies are mythological creatures and, as such, do not exist.
Haemorrhagic Fever
A virus can last anywhere from a couple of days up to several weeks. It really depends on what kind of virus it is and if the child has had the virus recently or not.
Viral illness 2 weeks, Bacterial with treatment 2 weeks unless serious. Serious illnesses are not included in my answer.
It is called a virus because we have an illness called a "virus" and when a computer GETS a virus, they're not working right and are not running well.