3 doctors weighed in:

What is the cause of smallpox?

3 doctors weighed in
Dr. Nicolas Melgarejo
Internal Medicine - Infectious Disease
1 doctor agrees

In brief: Variola Virus

Smallpox is caused by the variola virus, which is a large dna virus that is rather contagious and easily transmissible from humans to humans.

In brief: Variola Virus

Smallpox is caused by the variola virus, which is a large dna virus that is rather contagious and easily transmissible from humans to humans.
Dr. Nicolas Melgarejo
Dr. Nicolas Melgarejo
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Dr. Booth Wainscoat
Internal Medicine - Infectious Disease

In brief: The smallpox virus

Smallpox virus - also called poxvirus variolae - is the cause of smallpox.
In the case of naturally occuring smallpox (ie. Not including bioterrorism) the virus can only be spread from another person with smallpox. No cases of smallpox have existed anywhere in the world since the late 1970's. In general, it is believed that the only possible cause of a new smallpox outbreak would be bioterrorism.

In brief: The smallpox virus

Smallpox virus - also called poxvirus variolae - is the cause of smallpox.
In the case of naturally occuring smallpox (ie. Not including bioterrorism) the virus can only be spread from another person with smallpox. No cases of smallpox have existed anywhere in the world since the late 1970's. In general, it is believed that the only possible cause of a new smallpox outbreak would be bioterrorism.
Dr. Booth Wainscoat
Dr. Booth Wainscoat
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