A Berlin district mayor infected himself/let himself get infected so would get immunity and be able to carry on his duties without fear of getting the virus. He was already in quarantine with his partner who already had the virus.
https://www.dw.com/en/berlin-district-mayor-defends-deliberate-coronavirus-infection/a-52982367
He survived.
https://www.dw.com/en/berlin-district-mayor-defends-deliberate-coronavirus-infection/a-52982367
He survived.