U.S. declares chiron flu vaccine unusable
US health officials said none of Chiron Coirp.'s flu vaccine is safe for use, after a US inspection of the biotechnology comapny's troubled plant inLiverpool, England, uncovered manufaturing defects
US health officials said none of Chiron Coirp.'s flu vaccine is safe for use, after a US inspection of the biotechnology comapny's troubled plant inLiverpool, England, uncovered manufaturing defects