A pandemic can occur when a new influenza A virus is able to easily infect and spread among people.
星空娱乐官网 plays an important role in helping to establish, maintain, and expand flu surveillance.
National, state and local pandemic planning and response tools
Learn about 星空娱乐官网's global flu programs and 星空娱乐官网's work to protect the United States and the world.
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Pandemic Vaccine Targeting Guidance leads U.S. preparedness and response in a flu pandemic.
Past descriptions and report summaries for influenza A viruses assessed by the IRAT