Vials of flu vaccine
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In the Search of a Universal Flu Vaccine


Following one of the worst flu seasons in years, several companies are working to develop a universal vaccine, with the first clinical trials in humans now underway.

Why was this year’s flu shot less effective than usual? In short “antigenic drift,” explained Amro Elabbas, bioassay, in vivo testing manager at Charles River, which is supporting R&D efforts to help develop novel flu vaccines that could protect against all strains of the flu virus using reverse genetics.

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