A cyst is a sac-like pocket of tissue that contains fluid, air, or other substances. Cysts can grow almost anywhere in your body or on your skin. There are many different types of cysts. Most cysts are benign, or non-cancerous.
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 can cause gastroenteritis, including noroviruses and rotaviruses.The contagious period â the time during which a sick person can give the illness to others â is slightly different for each virus. 1  Norovirus.2  With norovirus â the most common cause of viral gastroenteritis in adults and children â you're contagious from the moment you begin to feel ill. number of viruses can cause gastroenteritis, including noroviruses and rotaviruses. The contagious period â the time during which a sick person can give the illness to others â is slightly different for each virus.
Normally the patient is not contagious during the incubation period of this virus. The rotavirus. On the other hand, those who contract the rotavirus, which usually causes diarrhea in children, will be contagious during the incubation period till about two weeks after recovery. The incubation period for the rotavirus could be for one or two days. Children are normally contagious for a longer period than adults. The adenovirus. The incubation period for the adenovirus is usually a week and the patient can spread the infection to others. In the case of stomach flu caused by the astrovirus the incubation period could be for a period of one to three or four days. Various symptoms There are various symptoms of the stomach virus.