Q3 of 328 Page 302

Viruses, which cause hepatitis, are transmitted through

Hepatitis B is a contagious liver disease that results from infection with the Hepatitis B virus. without their knowledge, and it can easily be passed to other people.

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1

Vectors can be defined as

 2

If you live in a overcrowded and poorly ventilated house, it is possible that you may suffer from which of the following diseases.

 4

Which of the following is not important for individual health?

 5

We should not allow mosquitoes to breed in our surroundings because they