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Notice to Readers Update: Availability of Inactivated Poliovirus Vaccine -- United Sta

The shortage of inactivated poliovirus vaccine (IPV) in the United States earlier this year (1) has been resolved. On September 28, 1994, the Food and Drug Administration announced the release of IPV lots manufactured by Pasteur Merieux Serums & Vaccines, S.A. * (Lyon, France). In addition, IPV (human diploid cell) lots manufactured by Connaught Laboratories, Limited (Willowdale, Ontario, Canada), were released on October 5, 1994. The release of vaccine lots from both manufacturers, distributed by Connaught Laboratories, Inc. (Swiftwater, Pennsylvania), should quickly restore normal supplies.


  1. CDC. Limited supplies of inactivated poliovirus vaccine -- United States. MMWR 1994;43:595-6.

    • Use of trade names and commercial sources is for information only and does not imply endorsement by the Public Health Service or the U.S. Department of Health and Human Services.

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