WHO Global Influenza Programme: survey on capacities of national influenza centres, January-June 2002.
D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000382:microbiology / Q000517:prevention & control*; D009975:Orthomyxoviridae / Q000302:isolation & purification; D011159:Population Surveillance; D011795:Surveys and Questionnaires; D014944:World Health Organization
D007252:Influenza Vaccines