[Bird influenza, an iceberg floating over the water].
Cao
Er-cheng
EC
Tianjin Tianhe Hospital, Tianjin 300050, China.
D000818:Animals; D001717:Birds; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use; D005585:Influenza in Birds / Q000517:prevention & control; D007251:Influenza, Human / Q000517:prevention & control / Q000821:virology*
D007252:Influenza Vaccines