Here's a look at smallpox, a contagious and sometimes fatal infectious disease. The most severe and most common form of the smallpox virus is known as variola major. Smallpox is transmitted through ...

Rahima Banu, a toddler in rural Bangladesh, was the last person in the world known to contract variola major, the deadly form of smallpox, through natural infection. In October 1975, after World ...

A child mummy from the 17th century, found in a crypt underneath a Lithuanian church, was discovered to harbor the oldest known sample of the variola virus that causes smallpox. Researchers who ...

Smallpox, which is caused by the variola virus of the Poxviridae family and the orthopoxvirus genus, is among the most devastating human diseases. It may have originated and spread from Egypt, the ...

The term pathogenesis is used to describe the mechanisms involved in the production of disease, from the spread of infection through the body to the molecular and physiological responses of host cells ...

Smallpox was an infectious disease caused by either of two virus variants, Variola major and Variola minor. The disease is now considered to be eradicated in 1980, as a result of a concentrated global ...

Here's some background information about smallpox, a contagious and sometimes fatal infectious disease. The most severe and most common form of smallpox is known as variola major, which has four ...

Rahima Banu, a toddler in rural Bangladesh, was the last person in the world known to contract variola major, the deadly form of smallpox, through natural infection. In October 1975, after World ...

The term "detection" is used here to denote identification of the virus in the environment, while "diagnosis" refers to determination that the virus or pathogen has infected a human host. The need to ...