G and P Types of Circulating Rotavirus Strains in the United States during 1996–2005: Nine Years of Prevaccine Data

Abstract

Almost 85% of strains during 1996-2005 had either a G or P antigen that is present in both RotaTeq (Merck) and Rotarix (GlaxoSmithKline). Monitoring of strains after introduction of rotavirus vaccines is important.