Inactivated Poliovirus Vaccine and Vaccine-Associated Paralytic Poliomyelitis-Reply
Abstract
In Reply.
—Two recent reviews1,2 have updated our understanding of the epidemiology of VAPP in the United States and the relative proportions of recipient, contact, and immunologically abnormal cases. These data as well as a review of immunologically abnormal VAPP cases were considered by the Delphi panel.3 With respect to immunologically abnormal VAPP cases, the panel noted the following: (1) 95% of such patients were associated with B-cell disorders, and IPV...