Table 1.

 Characteristics and symptoms of the 305 Hajj pilgrims

Characteristics	Value
Female sex – no./total no. (%)	173/305 (56·7)
Age
Mean ± Std. Deviation – year	49·2 ± 8·82
Range – year	41
Clinical sign – no./total no. (%)
Fever	34/305 (11·1)
Cough	147/305 (48·2)
Sore throat	141/305 (46·2)
Nasal symptoms	185/305 (60·65)
Myalgia	97/305 (31·8)
Headache	126/305 (41·3)
Diarrhea	5/305 (1·6)
Vomiting	5/305 (1·6)
Vaccinated with influenza vaccine during 2009–2010 season – no./total no. (%)	298/305 (97·7)