Complex sentence: In 1882 an epidemic of infection during childbirth broke out in Warsaw, and a few maternity shelters were opened; shelter number 2 (on Prosta Street) was given to Anna to lead, and she led it until 1911.
Split into simpler sentences: In 1882 an epidemic of infection during childbirth broke out in Warsaw, and a few maternity shelters were opened. Shelter number 2 (Prosta Str.) was given to Anna to lead, and she led it until 1911.