Covid: mix and match boosters work, again
The FDA panel unanimously recommended that Johnson & Johnson vaccine recipients get a booster, at least two months after the initial injection (see https://www.nytimes.com/2021/10/15/health/johnson-johnson-vaccine-booster.html ), though the formal FDA recommendation is still pending. A recent preprint, pre-peer-reviewed article assessed the potential utility of the mix-and-match strategy, where the J&J vaccine antibody response was found to be boosted significantly with an mRNA vaccine (see Covid J&J vaccine booster mix and match preprint2021 in dropbox, or https://www.medrxiv.org/content/10.1101/2021.10.10.21264827v1.full.pdf , or doi.org/10.1101/2021.10.10.21264827) Details : -- phase 1/2 open label clinical trial in 10 US sites of adults who received one of the three approved US Covid vaccines (Pfizer, Moderna, or J&J) at least 12 weeks before, and no reported history of SARS-CoV-2 infection, were randomiz...