COVID-19 vaccine effectiveness among healthcare workers in Albania (COVE-AL): protocol for a prospective cohort study and cohort baseline data.
Shela SridharAlbana FicoIria PrezaIris HatibiJonilda SuloEsther KisslingRovena DajaRawi IbrahimDiogo LemosJulia Rubin-SmithAlexis SchmidAdela VasiliMarta ValencianoPernille JorgensenRichard PebodyKathryn E LafondMark A KatzSilvia BinoPublished in: BMJ open (2022)
NCT04811391.