Long COVID: Cedars-Sinai Researchers Find COVID-19 Vaccine Produces Antibodies Far Longer Than Expected

A Dangerous Connection Unveiled: Long COVID & Physical Inactivity

Researchers disagree over how bad it is to be reinfected, and whether COVID-19 can cause lasting changes to the immune system. (Nature)

According to a recent study, the brain's circuitry for movement developed long before the emergence of appendages and skeletons.