Performance of SARS-CoV-2 nucleic acid amplification testing in Austria as measured by external quality assessment schemes during 3 years of the COVID-19 pandemic: an observational retrospective study

https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(23)00286-0/fulltext?dgcid=hubspot_email_covidalerts&utm_campaign=lancetcovid22&utm_medium=email&_hsmi=283901121&_hsenc=p2ANqtz--bdIFnKh_KajI9EeyBl1swfWMze18SPs10wPkOgUrdC1tD49iUAFN_69yDvtmRYPtvjAWl5ohT1yz55lAjXPte0AWy-Q&utm_content=283899141&utm_source=hs_email