LOS ANGELES (CBSLA) — Antibodies from a mild case of COVID-19 appear to fall dramatically in the first three months after infection, and could disappear within about a year, according to a small study by UCLA researchers.
The study, published Tuesday in the New England Journal of Medicine, tested 20 women and 14 men between 21 and 68 years old who recovered from mild cases of COVID-19. Each participant was tested at an average of 36 and 82 days after they initially showed symptoms.READ MORE: Man And Woman Shot To Death In Gardena
The study found that antibodies in these study participants dropped sharply after the first three months, and decreased by roughly half every 36 days. At that rate, antibodies would disappear within about a year.READ MORE: Local Doctors Flying Back From Super Bowl Save Woman's Life On Plane
The UCLA study was a more detailed look into previous reports that suggested antibodies against the novel coronavirus were short-lived, and the first to estimate the rate at which antibodies disappear.MORE NEWS: Rally Held Outside LA Hall Of Justice To Recall District Attorney George Gascón
The study’s authors said the role of antibodies against SARS-CoV-2 is not known, but the findings should prompt caution regarding antibody-based “immunity passports,” the goal of herd immunity, and vaccine durability.