Pfizer 's Prevenar and Sanofi Pasteur 's ActHIB are suspended in Japan . Authorities are investigating whether the vaccines played a role in five recent deaths . Both companies maintain that their vaccines are safe . Comment:
Pfizer 's Prevenar and Sanofi Pasteur 's ActHIB are suspended in Japan . Authorities are investigating whether the vaccines played a role in five recent deaths . Both companies maintain that their vaccines are safe . A pediatrician says doctors are concerned that authorities are overreacting .