Anything with a high fever will do that. Measles did that, I think.
I think it’s more to do with the specific receptor and tissue distribution of that.
ACE2 has high expression in the testicles. Just getting infected, even possibly asymptomatically, might do the deed.
Mumps wasn’t known for being a nasty disease symptom wise. (fever, pneumonia, etc). But getting it after puberty put a damper on the swimmers.
Mumps.
Mumps is known to do that to a grown man if he catches it.
As a boy, not a problem, but once you are an adult, all bets are off.