That's very true and scary
,in a way i think we are all exposed to diseases that could potentially be very harmful or even life threatening on a daily basis.I see that being exposed to small amount's,similar to having vaccinations,it help's the bodies ammune system..as long as the amounts are small..it kind of helps us to some degree.
I must say...the thought alone though...is scary
Welcome...by the way...glad you could join