Delta increases Covid-19 risks for pregnant women; Pfizer/BioNTech vaccine antibodies gone by 7 months for many

Compared to coronavirus cases earlier in the pandemic, infections with the Delta variant lead to worse outcomes for unvaccinated pregnant women, new data suggest.

The following is a summary of some recent studies on Covid-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review.