Question

What are the 3 diseases caused by virus?

Answer 1

Viruses:

1. Viruses are the non-cellular, microscopic infectious agents that are capable of replicating inside a host cell.
2. They cannot be considered as a living or non-living organism.
3. They are tiny and only survive inside a living cell.
4. They generally lack a cell wall but are surrounded by a protective protein coating known as the capsid.
5. It contains either RNA or DNA as the genetic material.

Diseases caused by viruses:

1. Common cold - It is caused by Rhinovirus.
2. Smallpox - It is caused by variola virus.
3. Poliomyelitis - It is caused by poliovirus.