Viral gastroenteritis home page
What causes viral gastroenteritis?
4 kinds of viruses trigger most instances of viral gastroenteritis.
Rotavirus is the main reason behind gastroenteritis among infants and young children. Rotavirus infections are most common in infants 3 to fifteen months old. Symptoms usually seem 1 to 3 days after exposure. Rotavirus usually causes vomiting and watery diarrhea for 3 to 7 days, together with fever and belly pain. Rotavirus may also infect adults who’re in shut contact with contaminated children, but the symptoms in adults are milder.
Caliciviruses trigger infection in folks of all ages. Norovirus is the most common calicivirus and the most typical explanation for viral gastroenteritis in adults. Norovirus is normally chargeable for epidemics of viral gastroenteritis. Norovirus outbreaks happen all yr but are extra frequent from October to April. People infected with norovirus typically expertise nausea, vomiting, diarrhea, stomach cramps, fatigue, headache, and muscle aches. The symptoms normally appear 1 to 2 days after exposure to the virus and final for 1 to 3 days.
Adenovirus primarily infects children younger than 2 years old. Of the forty nine kinds of adenoviruses, one strain impacts the gastrointestinal tract, inflicting vomiting and diarrhea. Signs sometimes seem eight to 10 days after publicity and last 5 to 12 days. Adenovirus infections occur 12 months-round.
Astrovirus primarily infects infants and younger children, however adults may additionally be infected. This virus causes vomiting and watery diarrhea. Signs normally appear three to 4 days after exposure and last 2 to 7 days. The symptoms are milder than the symptoms of norovirus or rotavirus infections. Infections occur year-spherical, but the virus is most active through the winter months.
Viral gastroenteritis is commonly mistakenly known as “abdomen flu,” however it is not brought on by the influenza virus. Some types of gastroenteritis are brought on by micro organism or parasites fairly than viruses. For information about bacterial infections, see the Bacteria and Foodborne Illness reality sheet from the National Institute of Diabetes and Digestive and Kidney Diseases