Astrovirus - Information for Clinicians
Type of infection
Astroviruses are a diverse group of small, structured RNA viruses.
Sources of infection
- Astrovirus infection is more common in young children but can infect all ages.
- The virus is spread by the fecal oral route. Shedding can be prolonged.
- Outbreaks in day care centers due to contaminated food have been reported.
Usual symptoms
- Incubation period is 1-5 days.
- Vomiting, watery diarrhea, abdominal pain or cramps, and fever.
Complications
- Dehydration is the major complication, but generally less common than for rotavirus, norovirus, or sapovirus.
Duration of illness
- Typically 2-3 days.
Treatment
- Fluid replacement and correction of electrolyte abnormalities if needed.
- Antibiotics do not help and may make diarrhea worse.