Volume 10, Number 10—October 2004
Letter
Influenza among U.K. Pilgrims to Hajj, 2003
Table
Seroconversion and respiratory symptoms due to influenza infection and vaccination status among U.K. pilgrims
Influenza vaccination in autumn 2002 | Seroconversion |
Respiratory symptoms |
||
---|---|---|---|---|
Yes | No | Yes | No | |
Vaccinated | 9 | 21 | 23 | 7 |
Nonvaccinated | 35 | 50 | 70 | 15 |
Total | 44 | 71 | 93 | 22 |