Prevalence of asymptomatic SARS-CoV-2 infection in an Austrian cohort

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) first emerged at the end of 2019, causing disease (COVID-19). The main sources infections are infected and asymptomatic persons. One major problem pandemic diverse symptoms varying manifestations illness. In this study, IgG level recognizing RBD SARS-CoV-2 was determined within 336 volunteers from environment University Applied Sciences Wiener Neustadt. aims study were to identify estimated number undiscovered COVID-19 corresponding antibody levels. total, 11.3% nonvaccinated probands had a positive titer against SARS-CoV-2, whereas 4.0% did not test for or never been tested time sampling. Probands in reported tiredness (57,5%), ageusia/anosmia (55%) headache (47,5%) as most frequent symptoms.