why do so many viruses cause bumps on skin


Like smallpox, chickenpox, herpes, etc. Is this an immune response from the body or is the virus for some reason causing damage to the cells in a way that causes bumps?

In: 35

Bumps and lesions are how some virus are spread. The virus causes the infected areas to break out and infect more hosts via contact.

virus enters blood stream and infects walls of capillaries, defects of blodd vessels lead to rushes