assisted reproduction(2) Infection(2) SARS-CoV-2(2) acute respiratory syndrome(1) Prevalence(1) genetics(1) collected data(1) SARS-CoV-2 antibodies(1) economics(1) positive serology(1) HCWs(1) IVF(1) COVID-19(1) immunized(1) ART(1) Ectopic pregnancy(1) CLIA(1) carried(1) resource(1) coronavirus(1) antibody(1) ART patient(1) IgG seroprevalence(1) virus(1) were assessed(1) domain(1) PCR testing(1) male infertility(1) positive(1) Asymptomatic(1)