Question

a 1 - year - old girl is brought to the emergency room by her parents who report that she had a fever and diarrhea for 3 days. the child’s temperature is 38°c(101°f). the cbc shows a slight elevation in lymphocytes and increased hematocrit. which of the following microbes is the most likely cause of diarrhea in this young child?

campylopbacter jejuni

norwalk virus

e. coli

rotavirus

Explanation:

Rotavirus is the most common cause of severe diarrhea in infants and young children (especially under 2 years old). The child is 1 - year - old, has fever and diarrhea for 3 days. Campylobacter jejuni, Norwalk virus (more common in older children/adults and outbreaks), and typical E. coli (non - enterotoxigenic etc. here) are less likely in this age - related common diarrhea etiology.

Answer:

Rotavirus