Factors associated with social contacts in four communities during the 2007-2008 influenza season.
DeStefano
F
F
Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. fdestefano@cdc.gov
Haber
M
M
Currivan
D
D
Farris
T
T
Burrus
B
B
Stone-Wiggins
B
B
McCalla
A
A
Guled
H
H
Shih
H
H
Edelson
P
P
Wetterhall
S
S