What are the symptoms?
Symptoms appear 24 to 48 hours after infection has occurred and last between 12 hours to 2½ days. An infected person is contagious for up to 48 hours after their symptoms have disappeared.
See a doctor if your child has the following symptoms:
How does gastroenteritis spread?
When people don’t wash their hands properly after being in contact with feces or vomit they can end up spreading the gastroenteritis virus. It is also possible to get it by inhaling droplets suspended in the air when someone vomits.
What can you do to prevent it?
The best answer: proper hygiene
What if your child has gastroenteritis?
Links
[1] https://www.thechildren.com/en/health/conditions.aspx?id=80
[2] https://www.thechildren.com/en/health/conditions.aspx?id=31
[3] https://www.thechildren.com/en/health/conditions.aspx?id=60
[4] https://www.thechildren.com/en/health/conditions.aspx?id=77