Sign up for COVID-19 Science UpdatesSection headings in the COVID-19 Science Update have been changed to alignwith the CDC Science Agenda for COVID-19.PDF version for this update pdf icon[PDF – 873 KB]Here you can find all previous COVID-19 Science Updates.
Observational study of serum samples of 26 HCW recovering from mild, RT-PCR confirmed SARS-CoV2 infection to assess the development of protective antibody response and duration.
Changes in levels of IgG, IgA, and IgM antibodies and NAbs assessed at 3 time points post-symptom onset: day 21, 2 months, and 3 months.
Limitations: Small sample size.: Short-lasting immune protection suggests prevention and control measures should be maintained among seropositive HCWs.: Of 2,311 SARS-CoV-2.