It very likely has been a problem and is just being underreported.
A single infection often doesn’t cause much harm, but those who have constant exposure and infections (teachers especially) are having major health problems. It’s barely mentioned outside of science papers.
It very likely has been a problem and is just being underreported.
A single infection often doesn’t cause much harm, but those who have constant exposure and infections (teachers especially) are having major health problems. It’s barely mentioned outside of science papers.