This week in key Covid publications:
—Young, healthy individuals with mild cases had objective cognitive deficits at 1-year that they did not perceive
—Older, hospitalized adults with severe Covid had an equivalent of 20 years of decline in cognitive performance at 1-year follow-up
—A nasal vaccine (2 doses) blocked infections for at least 3 months and was effective across 10 different variants
—Reinfections increase the risk of
#LongCovid
—mRNA shots don't induce long-lived plasma cells, but we don't know if this is true with other vaccine platforms
Reviewed in the new, updated edition of Ground Truths (link in my profile)