How did she get the typhoid fever?

Typhoid fever is common in undeveloped countries such as Africa, where there is poor sanitation. You can also get Typhoid from contaminated water and food from a contaminated person.

It is transmitted by the ingestion of food or water contaminated with the feces of an infected person, which contain the bacterium Salmonella enterica, serovar Typhi.

Typhoid fever (also known as Enteric fever) is caused by a strain of "Salmonella" bacteria (Salmonellae typhi) when they are spread through the body by the white blood cells that attempted to destroy...

Typhoid is a disease..... whereas , typhoid fever is the symptom of the disease . so, both of these are same. there is no difference between TYPHOID or TYPHOID DISEASE..........

By food or drink contaminated by sewage or by the bacteria sallmonella typhi