Summary
WASHINGTON - Drugmaker MedImmune is recalling nearly 5 million doses of swine flu vaccine because the nasal spray appears to lose strength over time, federal health officials announced Tuesday.
The vaccine recall is the second this month caused by declining potency and comes as public health officials urge millions of Americans to get vaccinated against swine flu.See the full content of this document
Extract
Nasal H1n1 Vaccine Recalled Over Potency
The action affects more than 4.6 million doses, but the va...
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