I asked several people, but nobody knew how.

[…] convinced (with no scientific evidence) that they would contract the dread disease by breathing the same air in which the patient was roomed, by touching the patient or even by changing the sheets of a patient's bed.

They were not mermaids, but almost like them. These water elfesses wore skirts of seaweed woven so that it looked like beautiful green cloth, and this covered their bodies, so that when they came ut of the water and sat on the shore their bodies did not show and no one saw they were like mermaids.

It was one of the detective's easiest cases.  Social workers should work on a maximum of forty active cases.  The doctor told us of an interesting case he had treated that morning.