Hexavalent vaccine surveillance
Executive Summary
Aventis and GlaxoSmithKline's hexavalent vaccines under surveillance by European regulatory authorities following report of four deaths in two-year-olds within 48 hours of vaccination with Aventis' Hexavac. Hexavalent vaccines are not licensed in the U.S.; Aventis has said it will file Hexavac with FDA in 2005-2006...