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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.
Chickenpox. Chickenpox, also known as varicella ( / ˌvɛrəˈsɛlə / VER-ə-SEL-ə ), is a highly contagious, vaccine-preventable disease caused by the initial infection with varicella zoster virus (VZV), a member of the herpesvirus family. [ 3][ 7][ 5] The disease results in a characteristic skin rash that forms small, itchy blisters, which ...
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.
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.
Squirrelpox virus (SQPV) is a virus that causes the fatal disease squirrelpox in United Kingdom and Republic of Ireland red squirrels. The virus is often carried by grey squirrels from North America, [ 2] which rarely die from the disease. Elsewhere in the Red Squirrel's European range, either the grey squirrel does not occur or it lacks the ...
Molluscum contagiosum virus. Molluscum contagiosum virus ( MCV) is a species of DNA poxvirus that causes the human skin infection molluscum contagiosum. [ 1] Molluscum contagiosum affects about 200,000 people a year, about 1% of all diagnosed skin diseases. Diagnosis is based on the size and shape of the skin lesions and can be confirmed with a ...
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.
The rash can look similar to chickenpox, syphilis or herpes, but a distinguishing feature is fluid-filled blisters called vesicles on the palms of the hands. Monkeypox Virus (BSIP/UIG Via Getty ...