Although similar in name and in the formation of a rash, blisters, and scabs, variola belongs to a different virus family than the virus that causes the common childhood illness chicken pox. Variola ...

discovered that you could prevent smallpox by drying out other people’s smallpox scabs, grinding them up and shoving them up your nose. Suddenly a needle really doesn’t seem so bad ...

In the confluent subtype of ordinary-type smallpox, the lesions would have ... shows the skin lesions on day 20 of the rash. The scabs have separated, leaving depigmented areas.

When you get the smallpox vaccine, it triggers a local immune response at the injection site. This leads to the formation of a blister followed by a scab, eventually leaving behind the ...

Smallpox is a viral, infectious disease that ... fluid-filled blisters), which would then burst and scab over in time.