incubation period for gastroenteritis
The incubation period of the stomach flu is the time from when you swallowed the viruses to when you start to feel sick. There are a variety of viruses that cause the stomach â¦ flu (viral gastroenteritis).The incubation period for most of these viruses is 24-48 hours.However, the incubation period can occasionally be a full week.he incubation period of the stomach flu is the time from when you swallowed the viruses to when you start to feel sick. There are a variety of viruses that cause the stomach â¦ flu (viral gastroenteritis).