DoD Global Influenza Surveillance Program Season Summary: October 2004 - April 2005

The U.S. Air Force Institute for Operational Health (AFIOH) manages the worldwide sentinel site component of the DoD Global Influenza Surveillance Program. AFIOH conducts influenza surveillance among 32 U.S. Air Force, Army, Navy, and Coast Guard sentinel site installations around the world and also...

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Bibliographic Details
Main Authors: Trei, Jill S, Owens, Angela B, Fujimoto, Scott A, Canas, Linda C, Daum, Luke T, Macias, Elizabeth A, Gould, Philip L
Format: Report
Language:English
Subjects:
ACUTE RESPIRATORY DISEASE VIRUS
ASIA
DEPARTMENT OF DEFENSE
DEPLOYMENT
DOD GLOBAL INFLUENZA SURVEILLANCE PROGRAM
HEALTH
INFLUENZA
Medicine and Medical Research
Microbiology
OVERSEAS
PACIFIC OCEAN
Pharmacology
PROJECT GARGLE
RESEARCH FACILITIES
RESPIRATORY DISEASES
RESPIRATORY SYSTEM
SURVEILLANCE
VACCINES
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Summary:The U.S. Air Force Institute for Operational Health (AFIOH) manages the worldwide sentinel site component of the DoD Global Influenza Surveillance Program. AFIOH conducts influenza surveillance among 32 U.S. Air Force, Army, Navy, and Coast Guard sentinel site installations around the world and also processes specimens from DoD overseas research laboratories and non-sentinel sites. During the 2004-2005 influenza season (3 October 2004 to 30 April 2003), the AFIOH laboratory processed 2,772 specimens. Of these, 906 (33%) were positive for influenza. Eighty-one percent (n=735) of influenza isolates were influenza A and 19% (n= 171) were influenza B. Five hundred thirty-two (72%) of the influenza A isolates were subtyped, all of which were H3N2. One hundred ten (64%) of the influenza B isolates were subtyped; 94 were subtyped as B/Sichuan-like and 16 were B/Hong Kong. Most of the A/H3N2 isolates analyzed by sequence analysis were analogous to A/California-like viruses and thus have evolved from the A/Fujian (Wyoming) vaccine strain. Influenza A predominated at European, North American, South American and deployed sites, accounting for 79% to 100% of influenza isolates in these areas. In contrast, nearly half of isolates from Asian/Pacific sites were influenza B. Prepared in collaboration with Oak Ridge Institute of Science and Education, Oak Ridge, TN and SpecPro, San Antonio, TX.