Estimating the seroprevalence of SARS-CoV-2 antibodies: Understanding population-level immunity in Albania at the end of the Alpha variant wave

Rapid increase of SARS-CoV-2 seroprevalence during the second half of the COVID-19 pandemic year 2020 in the adult urban Albanian population

“…The high seroprevalence rate found in December 2020 in Tirana was followed by a further increase in infection rates in the consecutive pandemic years 2021 and 2022. In Albania, we reported a rise in the seroprevalence rate among the adults over 18 years of age, from 48.2% in December 2020 to 73.3% in August 2021 [ 14 ].…”