Table 4.

Analysis of the clinical symptoms presented by children hospitalized with acute gastroenteritis positive for norovirus and sapovirus in São Luís, Maranhão, from June 1997 to June 1999.

Symptoms	Positive cases
	NoV (%)	SaV (%)
Vomit	1 (7.1)	–
Vomit/anorexia	1 (7.1)	–
Vomit/anorexia/abdominal pain	1 (7.1)	–
Vomit/fever/anorexia	4 (28.6)	3 (42.8)
Vomit/fever/abdominal pain	3 (21.6)	–
Vomit/fever/anorexia/abdominal pain	2 (14.2)	1 (14.3)
Fever/anorexia	1 (7.1)	1 (14.3)
Fever/anorexia/abdominal pain	1 (7.1)	2 (28.6)
Total	14	7

In the non-diarrheic cases, nine samples were positive for NoV and four to SaV.