Bonsoir !
1) Joseph Bell was the doctor who was born in 1837.
2) A surgery is a place which is protected.
3) Cholera is a disease which kills more than 95 000 people every year.
4) Einstein is the scientist who discovered the theory of relativity.
5) Antibiotics are drugs which fight germs. ( = combattent les microbes)
Bonne soirée !