Find odd one out about water and food born diseases : -
(4) None of these
Typhoid fever is a bacterial infection that can spread throughout the body, affecting many organs. It is caused by a bacterium called Salmonella typhi, which is related to the bacteria that cause salmonella food poisoning. If someone else eats food or drinks water that has been contaminated with a small amount of infected faeces or urine, they can become infected with the bacteria and develop typhoid fever.
Ascariasis is a disease caused by the parasitic roundworm Ascaris lumbricoides. Infection occurs by eating food or drink contaminated with Ascaris eggs from feces. Prevention is by improved sanitation, which includes improving access to toilets and proper disposal of feces.
Hepatitis-B is an infectious illness of the liver caused by the hepatitis B virus (HBV) that affects hominoidea, including humans. The virus is transmitted by exposure to infectious blood or body fluids such as semen and vaginal fluids, while viral DNA has been detected in the saliva, tears, and urine of chronic carriers.