BEIJING, March 8 (Xinhuanet) -- U.S. Food and Drug Administration (FDA) announced there was no new reason for safety concern in Pfizer Inc's Prevenar and Sanofi Aventis SA's ActHIBor vaccines, according to media reports Tuesday.

Health agencies "have not detected new safety concerns or unusual reporting patterns" in the vaccines, which are used to prevent forms of meningitis and pneumonia, FDA spokeswoman Shelly Burgess said in an emailed statement.

Health agencies in the United States will continue to monitor the vaccines for safety, the spokeswoman added.

The Japanese health ministry had decided to suspend the vaccines after four unexplained deaths were reported.

The causes of the deaths are still investigated, the Japanese ministry said in a release on its website.