Typhoid, also known as salmonellosis, is a long-standing disease that can be fatal if not properly treated. The microbe responsible for typhus resides in the human liver (gall bladder). A year-round disease, typhoid is transmitted by the spread of infected excrement (flies, unclean water, dirty hands). The incubation period is 8 to 14 days... Hygiene and health’ programme on Don Bosco radio.