The CDC has "When is clean too clean" which explains some of the problems. Health care professionals may be washing their hands many times a day. https://wwwn

The CDC has "When is clean too clean" which explains some of the problems. Health care professionals may be washing their hands many times a day. https://wwwnc.cdc.gov/eid/article/7/2/70-0225_article https://wwwnc.cdc.gov/eid/article/7/2/70-0225_article