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Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
Diseases associated with this genus include smallpox, cowpox, horsepox, camelpox, and mpox. [ 1 ] [ 2 ] The most widely known member of the genus is Variola virus , which causes smallpox. It was eradicated globally by 1977, through the use of Vaccinia virus as a vaccine .
Smallpox (variola orthopox virus ) Early Rash vs chickenpox.gif; Human body silhouette.svg; Author: Smallpox (variola orthopox virus ) Early Rash vs chickenpox.gif: Unknown author; Human body silhouette.svg: *Upper body front.png: Mikael Häggström; Background made transparent by Frédéric MICHEL; for Graphic Lab (fr). derivative work: RexxS
Smallpox was a dangerous disease caused by the variola major virus. The most common type of smallpox, ordinary, historically has devastated populations with a 30% death rate. The smallpox virus is transmittable through bodily fluids and materials contaminated with infected materials.
The name of the family, Poxviridae, is a legacy of the original grouping of viruses associated with diseases that produced poxes on the skin.Modern viral classification is based on phenotypic characteristics; morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause.
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The General Court, colonial Massachusetts' legislating body, moved from Boston to Cambridge at summer's end, but smallpox cases began appearing in Cambridge in August. [10] James Franklin's The New England Courant was founded in August amid the outbreak and the issue of smallpox and preservation from it became front page news. [5]
According to the Centers for Disease Control and Prevention (CDC), the best way to remove a tick of any kind is to use fine-tipped tweezers to grasp the creature as close to the skin's surface as ...