How can you get 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.

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

I think typhoid fever is not a contagious disease like cold and cough. You can get it if salmonella typi enters your bloodstream though food or water.

rickettsia

the cause is unsanitary conditions and the symptoms are very high fever, nausea and/or vomiting, diarrhea, small red bumpes on back or stomach, very low heart rate, and body aches.