Question

Why there are no effective drugs against some viral diseases in science for s?

Answer 1

Virus is capable of high degree of mutation.it can mutate its gene in a fast and random manner.so generally no drug can act against virus easily.

Answer 2

Answer:

Antibiotics are effective in controlling microbes as they obstruct the metabolism of microbes. Antibiotics block the biosynthetic pathways of the microbes. However, viruses have very few biochemical mechanisms of their own and utilise the biosynthetic pathways of the host. Hence, viruses are not affected by antibiotics.