Stephen J.LurieMD, PhD, Senior EditorIndividualAuthor
To the Editor: Italian military recruits have
received mandatory mumps vaccination by Urabe Am9 strain since 1998. A previous
study1 found that, in 1999, 37 episodes
of mumps-like disease were found in recipients of the vaccine, and that 35
of these occurred within 1 month of immunization. To assess whether these
cases were due to some expected residual virulence of the live attenuated
Urabe Am9 mumps strain, we analyzed saliva samples from recruits who developed
mumps-like disease within 1 month of vaccination.
Lista F, Faggioni G, Peragallo MS, et al. Molecular Analysis of Early Postvaccine Mumps-like Disease in Italian Military Recruits. JAMA. 2002;287(9):1114–1115. doi:10.1001/jama.287.9.1109
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