An outbreak of COVID-19 after a pilgrimage to Medjugorje due to Delta sub-lineages
Introduction: A COVID-19 outbreak occurred at the end of October 2021 among Wall Decor pilgrims returning from Medjugorje (Bosnia and Herzegovina).Methodology: Whole genome sequencing (WGS) of SARS-CoV-2, epidemiological data, and phylogenetic analysis were used to reconstruct outbreak dynamics.Results: The results suggest that only in one case, as