As of May 6, the CDC had only reported 51 COVID related deaths for individuals between the age 0 to 24. Out of the 51, it was not reported how many had underlying medical conditions.
So, based upon those numbers, I would feel okay having the nose guard breath on me since both he and I are virtually untouchable to COVID-19.
And I know of several young people who have had a tough time with this illness. It is true they didn't die but they wouldn't have been playing football either.