Preliminary H1N1 Vaccine Surveillance Report Released

CDC Releases Preliminary Report of Incidence of GBS in 10 States

March 16, 2010

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Throughout the 2009–2010 flu season, the AAN and CDC have conducted a collaborative surveillance effort to determine incidence of Guillain-Barré syndrome (GBS) following H1N1 vaccination nationwide. Additional surveillance efforts were conducted in 10 Emerging Infections Program (EIP) areas. The CDC has released a report of the incidence of GBS in these 10 states from October 1, 2009, to February 15, 2010.

Access the full statement.

Surveillance will continue through May 2010.

To find out if you are practicing in one of these 10 states, and to get more information on reporting new cases of GBS, visit the AAN's online GBS surveillance toolkit.

Read a recent article on the 1976 outbreak of swine flu and its connection to GBS.