North American Vaccine Inc said it was issued a Europeanpatent covering its pertussis vaccine, an acellular pertussistoxoid. The patent covers both the vaccine and the method ofproduction, the Beltsville, Md., company (ASE:NVX) said.
The patent also covers the preparation of other toxoids, thecompany said. The invention has also been patented in the U.S.,and patents are pending in other markets throughout theworld.
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