WHO release flu pandemic action plan.
D000818:Animals; D001717:Birds; D004189:Disaster Planning; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007252:Influenza Vaccines / Q000600:supply & distribution* / Q000627:therapeutic use*; D005585:Influenza in Birds / Q000453:epidemiology; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D011634:Public Health; D014611:Vaccination; D014944:World Health Organization
D007252:Influenza Vaccines