Contagiousness

Health

How Long Are You Contagious with Stomach Bug?

Contagious Period of Stomach Bug The contagious period of a stomach bug can vary depending on the specific virus or bacteria causing the illness. In general, most stomach bugs are contagious from the moment symptoms begin until a few days after symptoms have resolved. For viral stomach bugs, such as norovirus or rotavirus, the contagious period can last up to…