Durability of antibody levels after vaccination with mRNA SARS-CoV-2 vaccine in individuals with or without prior infection
D Zhong, S Xiao, AK Debes, ER Egbert, P Caturegli… - Jama, 2021 - jamanetwork.com
Methods| A convenience sample of 3500 health care workers from the Johns Hopkins
Health System were enrolled starting June 2020 and followed up through September 3,
2021. Participants provided serum samples longitudinally, separated by at least 90 days.
SARS-CoV-2 polymerase chain reaction (PCR) test results and vaccination dates (inside
and outside the health system) were collected from electronic health records. Included
participants had a serum sample collected at least 14 days after receiving the second dose …
Health System were enrolled starting June 2020 and followed up through September 3,
2021. Participants provided serum samples longitudinally, separated by at least 90 days.
SARS-CoV-2 polymerase chain reaction (PCR) test results and vaccination dates (inside
and outside the health system) were collected from electronic health records. Included
participants had a serum sample collected at least 14 days after receiving the second dose …