The FIA confirmed in a statement that the world champion was now being isolated, and his contacts had been traced.
It read: “ The FIA, Formula 1 and Mercedes-AMG Petronas F1 Team can today confirm that during mandatory pre-race PCR testing for the Sakhir Grand Prix, Lewis Hamilton has tested positive for COVID-19.
"In accordance with COVID-19 protocols and public health authority ...Keep reading

Source: Hamilton tests positive for COVID-19, will miss Sakhir GP