Question

Now a days Corona viruses make havoc throughout the world and there is no single country where no case of corona is found. Though all countries try to make vaccine for corona viruses but get the success. Give the reasons why it is difficult to make vaccines for viral disease as compare to bacterial or protozoanal diseases. b) Give different means of spread of disease. c) Japanese Encephalitis or brain fever is transmitted through mosquito bite and it is a protozonal disease, True/False ​

Answer 1

Answer:

FALSE.....................

Answer 2

Answer:

false

Explanation:

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