Hajj and the risk of influenza.
Gatrad
A Rashid
AR
Shafi
Shuja
S
Memish
Ziad A
ZA
Sheikh
Aziz
A
D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control; D007514:Islam; D012307:Risk Factors; D012529:Saudi Arabia / Q000453:epidemiology; D014195:Travel
D007252:Influenza Vaccines