Do Vaccines Cause Disseminated Varicella Infection?
Conclusion Disseminated varicella infection is a serious potential complication of natural infection with varicella virus, particularly among immunodeficient persons. Thus, varicella vaccine prevents disseminated varicella infection by protecting against natural infection. However, varicella vaccines can rarely cause disseminated varicella infection in patients with severe immune deficiency, for whom the vaccine is contraindicated. Other vaccines currently […]
Do Vaccines Cause Herpes Zoster?
Conclusion Varicella vaccines can rarely cause herpes zoster due to vaccine-strain viral reactivation. Other vaccines currently routinely recommended to the general population in the U.S.* do not cause vaccine-strain viral reactivation. Epidemiological Evidence The 2012 report by the Institute of Medicine (IOM), now called the National Academy of Medicine (NAM), described one study assessing varicella […]