The Medical Letter on Drugs and Therapeutics
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Varicella Vaccine
A live attenuated varicella vaccine (Varivax - Merck) has been approved for marketing by the US Food and Drug Administration. The Oka/Merck strain used in the vaccine is attenuated by passage in human and embryonic guinea pig cell cultures.
The Medical Letter is a subscriber-funded nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases.

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Title: Issue 951

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