Kids<10 transmit covid 1/2 the rate of kids 10+, same as adults. So the 11 will give you covid on day 1, the 5 will give you covid on day 2.
Fortunately, no one ever sees kids 2 days in a row or has multiple kids.
https://www.nytimes.com/2020/07/18/health/coronavirus-children-schools.html?surface=home-discovery-vi-prg&fellback=false&req_id=925955293&algo=identity&imp_id=998879286&action=click&module=Science%20%20Technology&pgtype=Homepage
Post
July 24, 2020