Table 2. Frequency of reported clinical symptoms of gastroenteritis associated with Outbreaks A–C in Shenzhen between November and December 2013.

Symptom		Numbers of cases (%)
	Outbreak A	Outbreak B	Outbreak C
Diarrhea	20 (71.4)	37 (94.9)	47 (77.0)
Vomiting	17 (60.7)	32 (82.1)	36 (59.0)
Nausea	10 (35.7)	2 (5.1%)	46 (75.4)
Abdominal pain	2 (7.1)	17 (43.6)	51 (83.6
Fever	1 (3.6)	1 (2.6)	12 (19.7)