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DHSS Press Release

Rita Landgraf, Secretary
Carl Kanefsky, Communications Director
(302) 540-4979, Pager

Date: February 2, 2010


The Centers For Disease Control and Prevention (CDC) has notified all states including Delaware that a non-safety related recall has been issued for six lots of vaccine distributed from November 2009 to January 2010. Unused doses of this vaccine are being recalled for its level of potency, which is only slightly below the set specification limit and does not pose any health risks to those already immunized. Those immunized with these doses will not be required to be re-vaccinated as the level of potency is still expected to be effective in stimulating a protective response to the H1N1 virus.

The Delaware Division of Public Health (DPH) has determined that Delaware received 5,400 doses of vaccine from three of the lots identified for recall. These lots met all required specifications at the time of release. Unused vaccine will be returned to the manufacturer pending return instructions to recipient health care providers.

Delawareans are reminded to get their H1N1 vaccination and to remember that all children younger than than 10 years old should get the recommended two doses of H1N1 vaccine at least one month apart for optimal immune response.

For additional information about both H1N1 and seasonal vaccines, please see our website at

Delaware Health and Social Services is committed to improving the quality of the lives of Delaware's citizens by promoting health and well-being, fostering self-sufficiency, and protecting vulnerable populations.