title: From the front lines. H5N1 flu virus continues to sweep across the globe.
mesh_terms: D000818:Animals; D001382:Azerbaijan / Q000453:epidemiology; D001717:Birds / Q000821:virology; D002681:China / Q000453:epidemiology; D006801:Humans; D007194:India / Q000453:epidemiology; D007214:Indonesia / Q000453:epidemiology; D053124:Influenza A Virus, H5N1 Subtype / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission / Q000821:virology; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission / Q000821:virology; D009549:Nigeria / Q000453:epidemiology; D013785:Thailand / Q000453:epidemiology