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Variola, the agent of smallpox, has been reported in human populations for greater than 2,000 years. Variola came from two primary strains, which likely diverged from an ancestral African rodent-borne variola-like virus either 16,000 or 68,000 years ago.

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Q: What is origin for variola viruses?
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Related questions

What are the causes for small poxes?

By either of two viruses: Variola major and Variola minor


Is smallpox a Latin word?

No, it is not. The Latin name of the viruses causing smallpox is Variola or Variola vera, with the two substrands called major and minor.


What viruses have DNA?

variola virus[cause small pox],varicella virus[cause chicken pox]


Qual e o nome cientifico para variola?

Variola major, variola minor.Nome científico: Variola major; Um virus da família Orthopoxvirus))


Origin of virus and its types?

the origin of viruses are from other people and other systems


What bacteria is variola virus?

Variola is a virus called small pox and it is not a bacteria,


What is the Scientific namefor the Smallpox vaccine?

The latin name for smallpox is "variola" or "variola vera".


What is the scientific name for small pox?

There are several scientific names for smallpox one of which I know Variola virus.Smallpox is/was caused by two virus variants called Variola major and Variola minor. Variola major was the more deadly form, with a typical mortality of 20-40 percent of those infected. The other type, Variola minor, only killed 1% of its victims.


Is the variola disease in the herpes family?

Variola (smallpox) is not in the herpes family. It's in the poxvirus family.


Is Ebola virus the same as Variola virus?

Variola is Smallpox. Ebola developed a lot later in time.


Which is NOT relevant to a laboratory diagnosis of smallpox variola?

A positive Tzank smear is not relevant to a laboratory diagnosis of smallpox variola.


Is NOT relevant to a laboratory diagnosis of smallpox (variola)?

A positive Tzank smear is not relevant to a laboratory diagnosis of smallpox variola.