Eastern Cape Healthcare Workers Acquisition of SARS-CoV-2 (ECHAS): Cross-Sectional (Nested Cohort) Study Protocol.
Int J Environ Res Public Health. 2021 Jan 5;18(1):323. doi: 10.3390/ijerph18010323.
Int J Environ Res Public Health. 2021.
PMID: 33466227
Free PMC article.