More that 4,300 SpaceX employees volunteered to be part of a COVID-19 antibody study co-authored by CEO Elon Musk in 2020.
The study, which was recently published in the journal Nature Communications, shows evidence that infected people who exhibited milder symptoms developed less of an immunity to COVID-19 than those who got sicker from the disease. The group behind the study found some evidence that suggests there’s a particular threshold of antibodies that could provide immunity, though they wrote that “the precise levels […] associated with protection from re-infection remain unclear.”
Vaccines also produce a much stronger immune response than cases with little to no symptoms, the authors note. They hope that this research, and o…