Which one of the following is not a viral disease?
Typhoid
Typhoid fever is an acute illness associated with fever caused by the bacteria Salmonella Typhi.
Typhoid fever is an infection that spreads through contaminated food and water.
A viral disease or a viral infection occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles attach to and enter susceptible cells.
Example: Dengue, AIDS, Influenza, Polio, Measles etc.