Taylor Lautner's Relationships. 1  Marie Avgeropoulos. Actress. 2  Maika Monroe. Actress. 3  Sara Hicks. Other.  Lily Collins. 1  Actress. Taylor Swift. Singer.  Sara Hicks. 1  Other. Selena Gomez. Actress.  Sara Hicks. Other.
The viruses, bacteria, and parasites that cause gastroenteritis are often food-borne and are considered to be types of food poisoning. They are contagious, so food poisoning from them is contagious. Food poisoning from Salmonella1, Campylobacter2, E.coli3,and norovirus4 are contagious to other people. When you are sick with one of these illnesses, your vomit and feces are full of the organism and can infect other people.
Being contagious means that you are capable of transmitting an illness to another person. Once you feel sick, knowing if you are contagious may prevent you from contaminating other people. Upper respiratory illnesses, like a cold and the flu, are caused by viruses and are easily transmitted to other people. Many infections caused by bacteria can also be highly contagious.