07/31/2019 12:00 AM EDT
Source: Centers for Disease Control and Prevention, Office of Infectious Diseases (CDC OID). Published: 7/31/2019. The Centers for Disease Control and Prevention and its many partners have made great strides in the fields of influenza surveillance, prevention, and treatment since the H1N1 pandemic in 2009, benefiting the annual response to seasonal flu epidemics. Key improvements are summarized on this page. (Text)
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