Article
Virus excretion and mutation by infants following primary vaccination with live oral poliovaccine from two sources.
Journal of medical virology - 1 Oct 1990
Dunn G, Begg N T, Cammack N, Minor P D
Abstract excerpt
The excretion of virus by 30 children was followed over a period of 28 days after their first vaccination with live oral poliovaccine. The type 1 and type 2 strains were isolated at similar high frequencies throughout this period, while the type 3 strain was not excreted by most children after day 2 post vaccination. Mutations in the 5' non-coding region associated with the attenuated phenotype reverted most...
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