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1902 MAR 27 - (NewsRx.com & NewsRx.net) -- As many as 60,000 Brazilians may have to get revaccinated against hepatitis A after the company that makes the vaccine said some doses weren't potent enough, a health official says.
Merck & Co. initiated an international recall of the vaccine on November 16, 2001 after tests showed some doses that had been sold to patients didn't provide enough protection against the liver disease, the U.S. Food and Drug Administration said on its web site. The vaccine was recalled from Brazil starting December 4, 2001.
"Merck informed us that after a tracking of the vaccines they sold, some 60,000 people in Brazil may need to be revaccinated," said a Health Ministry official, speaking on condition of anonymity.
A spokesman for the Whitehouse Station, New Jersey-based pharmaceutical ...