Pfizer 's license and Sanofi Laboratories 's ActHIB are suspended in Japan . Pediatrician Michiko Suwa said Japan 's medical community hopes the suspension is temporary and fears the government is overreacting to the deaths . Doctors are investigating whether the vaccines played a role in the recent deaths . Both companies maintain that their vaccines are safe . A spokesman says they are concerned that authorities are overreacting .
Pfizer 's license and Sanofi Laboratories 's ActHIB are suspended in Japan . Doctors are investigating whether the vaccines played a role in the recent deaths . Both companies maintain that their vaccines are safe . A spokesman says they are concerned that authorities are overreacting .