From: Evaluation of an influenza-like illness case definition in the diagnosis of influenza among patients with acute febrile illness in cambodia
Age (years)
2-6
7-18
>18
p-value
July
4
16
9
.10
August
22
24
19
.78
September
60
59
26
<.0001
October
65
73
33
November
53
52
20
<.001
December
32
7
OVERALL
44
49
21