How does hepatitis B spread?

How does hepatitis A spread?

How does elephantiasis disease spread?

Assertion : Needles should not be used without sterilization. Reason: AIDS and hepatitis-B spread through body fluid.

How is hepatitis controlled?

How does a disease spread from person to person?

What are the symptoms of malaria? How does malaria spread?

What are the symptoms of malaria? How does malaria spread?