Flu officials pull back from raising global alert level.
Declan
D
Butler
D025041:Animal Migration; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission* / Q000821:virology; D001717:Birds; D002681:China / Q000453:epidemiology; D003140:Communicable Disease Control / Q000379:methods; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control* / Q000821:virology; D038622:Internationality; D009975:Orthomyxoviridae / Q000145:classification / Q000235:genetics / Q000302:isolation & purification / Q000472:pathogenicity; D014744:Vietnam / Q000453:epidemiology; D014774:Virulence; D014944:World Health Organization; D015047:Zoonoses / Q000453:epidemiology / Q000635:transmission / Q000821:virology