Has VAERS received any reports of adverse events associated with 2009 H1N1 vaccination?
As of December 23, 2009, 92.6 million doses of 2009 H1N1 vaccine had shipped to healthcare providers in the United States. Through December 23, 2009, a total of 6945 adverse events following 2009 H1N1 flu vaccination have been reported to VAERS. The vast majority (94.1%) of adverse events reported to VAERS after receiving the 2009 H1N1 vaccine have not been serious. An adverse event is considered serious if it is life threatening or results in death, permanent disability, abnormal conditions at birth, hospitalization or prolonged hospitalization. Of the 6945 reports of adverse events, 410 (5.-9% of all reports) described serious adverse events, including 29 reports of death. The 29 reports of death are under review by the CDC, FDA and the states. Follow-up investigations are underway; however, preliminary findings do not indicate a common cause or pattern (such as similarities in age, gender, geographic location, illness surrounding death or underlying medical conditions) to suggest th