………..are usually found in unsanitary surrounding or contaminated water.
a) hepatitis A
b) Hepatitis E
c) both a & b
d) cholera
Hepatitis A & E viruses attack the liver and cause …………..
a) jaundice
b) hepatitis
c) liver failure
d) all of these
……….virus usually enters the environment through the faeces of someone who is infected.
a) polio
b) dysentery
c) cholera
d) typhoid
The ……….. is a viral disease.
a) polio
b) hepatitis
c) dysentery
d) both a & b
Polio virus is transmitted through a….………
a) sneeze
b) cough
c) both a & b
d) none of these
Polio virus lives in ………….
a) throat
b) intestine
c) both a & b
d) liver
