Guy returns to Germany from holiday in Italy. Gets a free COVID test at the border. Supposed to isolate & wait for results. Instead went to a birthday party with 100 guests & in contact w/ 20 other people. He was positive & now 120 people in quarantine. https://t.co/Sx7xUY9pmG

— Prof. Devi Sridhar (@devisridhar) August 18, 2020