[The threat of an influenza pandemic].
Pyhälä
R
R
D000818:Animals; D004196:Disease Outbreaks; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology; D011024:Pneumonia, Viral / Q000821:virology; D013552:Swine
D007252:Influenza Vaccines
Influenssapandemian uhka.