Table 2. Number and proportion of earlier cases of A(H1N1) 2009 pandemic influenza in which influenza symptoms were reported, all regions, 2009.

Symptom	No. (%) of earlier casesa (n = 3710)
	Completeb	Symptom
Fever	2791 (75)	1905 (68)
Cough	2764 (75)	1703 (62)
Sore throat	2075 (56)	1041 (41)
Coryza	2515 (68)	841 (33)
Headache	2501 (67)	791 (32)
Myalgia	2462 (66)	693 (28)
Productive cough	1878 (51)	374 (20)
Shortness of breath	2489 (67)	223 (9)
Diarrhoea	2435 (66)	165 (7)

^a Defined as the first 110 cases by date of symptom onset.

^b Indicates that the symptom data field was filled (i.e not blank).