Gastroenteritis: Viral

Adenovirus occurs mainly in children under the age of 2 years. Of the 49 types of adenoviruses, one strain affects the gastrointestinal tract causing vomiting and diarrhea. Symptoms typically appear 1 week after exposure. Adenovirus infections occur year round. Astrovirus. Astrovirus also infects primarily infants, young children, and the elderly. ................
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