RETRACTED: Cegolon et al. Primary SARS-CoV-2 Infections, Re-Infections and Vaccine Effectiveness During the Omicron Transmission Period in Healthcare Workers of Trieste and Gorizia (Northeast Italy), 1 December 2021–31 May 2022. Viruses 2022, 14, 2688
Viruses issued a retraction of https://doi.org/10.3390/v14122688 (source: publisher).