What is variola?

  • (noun): A highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars.
    Synonyms: smallpox, variola major

Some articles on variola:

Smallpox - History - Human History
... with smallpox, many scholars agree it is very unlikely such a serious disease as variola major would have escaped a description by Hippocrates if it existed in the Mediterranean region ... and Italy in 580, the first use of the term variola other historians speculate that Arab armies first carried smallpox out of Africa to Southwestern Europe during the 7th and 8th centuries ... and South Africa a much milder form of smallpox, variola minor, was recognized just before the close of the 19th century ...
Smallpox Survivors - History - Viral Evolution
... One clade was the variola major strains (the more clinically severe form of smallpox) which spread from Asia between 400 and 1,600 years ago ... A second estimate has placed the separation of variola from Taterapox at 3000–4000 years ago ... to be similar to that of the herpesviruses the divergence date between variola from Taterapox has been estimated to be 50,000 years ago ...
Smallpox Survivors - Cause
... Variola virus (Smallpox) This transmission electron micrograph depicts a number of smallpox virions ... Poxviridae Subfamily Chordopoxvirinae Genus Orthopoxvirus Type species Vaccinia virus Species Variola virus Smallpox is caused by infection with ... Variola is a large brick-shaped virus measuring approximately 302 to 350 nanometers by 244 to 270 nm, with a single linear double stranded DNA genome 186 ...
Smallpox - History - Viral Evolution
... One clade was the variola major strains (the more clinically severe form of smallpox) which spread from Asia between 400 and 1,600 years ago ... A second estimate has placed the separation of variola from Taterapox at 3000–4000 years ago ... similar to that of the herpesviruses the divergence date between variola from Taterapox has been estimated to be 50,000 years ago ...