The Japanese health ministry revealed that it has temporarily suspended the use of two vaccines manufactured by Pfizer and Sanofi-Aventis SA after they were found to have caused the deaths of four children.
The vaccines were a part of a nationwide immunization program in which more than a million children were vaccinated.
AdvertisementHowever four children died within three days of getting vaccinated with either Pfizer's Prevenar or Sanof's ActHIB with both the vaccines used against meningitis and pneumonia.
The health ministry said that the vaccines have been suspended until the deaths have been investigated with both the drug makers stating that they will be providing full co-operation to the investigations.
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