Full edition for scientific use. The main objective of this study was to give an estimate of the spread of COVID-19 (“Corona Virus”) among non-hospitalized people living in Austria. This study is the first in continental Europe based upon nationwide PCR-testing in a representative random sample. PCR samples were collected in the period of April 1 to April 6, 2020. Between April 6 and April 10, the tested persons were contacted again by telephone to collect further information, e.g. on their state of health and mobility patterns.