[HTML][HTML] COVID-19 vaccine breakthrough infections reported to CDC—United States, January 1–April 30, 2021

CDC Covid, VBCI Team, M Birhane… - … and Mortality Weekly …, 2021 - ncbi.nlm.nih.gov
CDC Covid, VBCI Team, M Birhane, S Bressler, G Chang, T Clark, L Dorough, M Fischer…
Morbidity and Mortality Weekly Report, 2021ncbi.nlm.nih.gov
COVID-19 vaccines are a critical tool for controlling the ongoing global pandemic. The Food
and Drug Administration (FDA) has issued Emergency Use Authorizations for three COVID-
19 vaccines for use in the United States.* In large, randomized-controlled trials, each
vaccine was found to be safe and efficacious in preventing symptomatic,
laboratoryconfirmed COVID-19 (1–3). Despite the high level of vaccine efficacy, a small
percentage of fully vaccinated persons (ie received all recommended doses of an FDA …
COVID-19 vaccines are a critical tool for controlling the ongoing global pandemic. The Food and Drug Administration (FDA) has issued Emergency Use Authorizations for three COVID-19 vaccines for use in the United States.* In large, randomized-controlled trials, each vaccine was found to be safe and efficacious in preventing symptomatic, laboratoryconfirmed COVID-19 (1–3). Despite the high level of vaccine efficacy, a small percentage of fully vaccinated persons (ie received all recommended doses of an FDA-authorized COVID-19 vaccine) will develop symptomatic or asymptomatic infections with SARS-CoV-2, the virus that causes
ncbi.nlm.nih.gov