Elon Musk @elonmusk
@tlowdon @EthicalSkeptic Antibody half-life for cov2 is very short. In a study that SpaceX did working with Harvard epidemiology, it appears to be as low as 2 or 3 weeks. Nonetheless, reinfection rates are very low & symptoms are minor, perhaps due to memory T cells https://t.co/z9WlvIjoTw — PolitiTweet.org