| Pfizer and BioNTech say they have demonstrated that a third dose of their vaccine, given six months after the second, increases neutralizing antibodies five to tenfold against the original virus and the so-called Beta variant, which was first identified in South Africa. They plan soon to publish this data and submit it to the Food and Drug Administration. | | News Alert Thursday, July 8 | | | | | | | | | | | |
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