Dioxathion - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information. Note: See Working with the Information on this Page section below for important notes about this data.
Symptoms of rotavirus â the leading cause of viral gastroenteritis in infants and young children â usually appear one to three days after exposure. But you're contagious even before you develop symptoms, and up to two weeks after you've recovered.
Quick Answer. According to the Centers for Disease Control, the flu is most contagious five to seven days after flu symptoms develop. The flu can even be contagious one day before any flu symptoms develop.