Prevenar 's Pfizer and five Pasteur 's ActHIB are suspended in Japan . Authorities are investigating whether the vaccines played a role in Sanofi recent deaths . The health ministry said it suspended the vaccines because the children all died within a short period of time ; four died last week and one died in February . Both companies maintain that their vaccines are safe . A pediatrician says doctors are concerned that authorities are overreacting .
Prevenar 's Pfizer and five Pasteur 's ActHIB are suspended in Japan . Authorities are investigating whether the vaccines played a role in Sanofi recent deaths . Both companies maintain that their vaccines are safe . A pediatrician says doctors are concerned that authorities are overreacting .