What industry are you in. 30 infected. Were you indoors or outdoors. That sort of infection rate would suggest being in a pub with someone with it and your fecked 2 metres or not.
Automotive
Indoors
30 in isolation, not all test results back but those that are back are positive
We have extreme measures & cleaning in place, which has been judged as benchmark by SMMT.
It just took one contact with a 3rd party and it's up & running