COVID-19 vaccine impact on rates of SARS-CoV-2 cases and post vaccination strain sequences among healthcare workers at an urban academic medical center: a prospective cohort study.
medRxiv. 2021 Apr 27:2021.03.30.21254655. doi: 10.1101/2021.03.30.21254655. Preprint.
medRxiv. 2021.
PMID: 33821283
Free PMC article.
Updated.