The incubation period of Typhoid bacillus causing typhoid fever is-

Correct option is B

The correct answer is (b) 8 to 14 days.
The incubation period is the time between exposure to an infectious agent (like the Typhoid bacillus, also known as Salmonella typhi) and the appearance of symptoms. For typhoid fever, the incubation period typically ranges from 8 to 14 days.
1. Incubation Period of Typhoid:
· After a person ingests food or water contaminated with the Salmonella typhi bacteria, it takes about 8 to 14 days for the first symptoms to appear, although it can vary slightly depending on the individual's immune system and the bacterial load.
2. Symptoms of Typhoid Fever:
· Common symptoms after the incubation period include prolonged fever, weakness, abdominal pain, headache, and sometimes a rash. The infection requires prompt medical treatment to prevent complications.