I think it's unlikely that it's been spreading around undetected for 100 days, and suddenly we've noticed it. We've found nearly 100 new cases in the mass testi

I think it's unlikely that it's been spreading around undetected for 100 days, and suddenly we've noticed it. We've found nearly 100 new cases in the mass testing that has come out of this outbreak, but they all can be traced back to a single source.