Source: WRAL, 7/28/21

 A third dose of the Pfizer/BioNTech vaccine can "strongly" boost protection against the coronavirus Delta variant beyond the protection afforded by the standard two doses, new data released by Pfizer on Wednesday suggest. The data posted online suggest that antibody levels against the Delta variant in people ages 18 to 55 who receive a third dose of vaccine are greater than five-fold than following a second dose. The effect is even more marked among older adults, according to the study.

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