On a wing and a prayer.
D000818:Animals; D000998:Antiviral Agents / Q000600:supply & distribution; D014943:Global Health; D006291:Health Policy / Q000639:trends*; D006801:Humans; D007252:Influenza Vaccines / Q000600:supply & distribution; D007251:Influenza, Human / Q000191:economics / Q000453:epidemiology* / Q000517:prevention & control* / Q000662:veterinary; D007391:International Cooperation; D011159:Population Surveillance; D013997:Time Factors
D000998:Antiviral Agents; D007252:Influenza Vaccines