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Variola minor virus, also called alastrim, was a less common form of the virus, and much less deadly. Although variola minor had the same incubation period and pathogenetic stages as smallpox, it is believed to have had a mortality rate of less than 1%, as compared to smallpox's 30%.
Poxviridae is a family of double-stranded DNA viruses. Vertebrates and arthropods serve as natural hosts. There are currently 83 species in this family, divided among 22 genera, which are divided into two subfamilies. Diseases associated with this family include smallpox. [1] [2]
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Orthopoxvirus is a genus of viruses in the family Poxviridae and subfamily Chordopoxvirinae. Vertebrates, including mammals and humans, and arthropods serve as natural hosts. There are 12 species in this genus. Diseases associated with this genus include smallpox, cowpox, horsepox, camelpox, and mpox.
Variola major, the more common and more deadly variant, was now distinguished from Variola minor, also known as Alastrim. Alastrim was less severe and on average far less deadly, with death rates more like 1% -- i.e. up to 30 times lower than Variola major ’s 25%-30% mortality.
The eradication of infectious diseases is the reduction of the prevalence of an infectious disease in the global host population to zero. [1] Two infectious diseases have successfully been eradicated: smallpox in humans, and rinderpest in ruminants. There are four ongoing programs, targeting the human diseases poliomyelitis (polio), yaws ...
Alphavirus infection. Surface of an Alphavirus. Specialty. Dermatology. Alphavirus infection may be caused by a Sindbis virus infection, and result in a cutaneous eruption of multiple, erythematous, 4- to 4-mm papules. [1] : 403.
