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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.
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. Generally, face-to-face contact is required for an individual to contract smallpox as a result of an interaction with another human.
Smallpox is caused by the variola virus and is extremely contagious, for it is spread by physical contact and affects children and adults alike. Smallpox was contagious, disfiguring, and often deadly. [16] The epidemics of the disease were recurrent, devastating, and frequent. [17]
The words come from various (spotted) or varus (pimple). In England, this disease was first known as the "pox" or the "red plague". Smallpox settles itself in small blood vessels of the skin and in the mouth and throat. The symptoms of smallpox are rash on the skin and blisters filled with raised liquid. [citation needed]
They were sold at the extremely high price of five guineas, and Haygarth set out to show that the high cost was unnecessary. He did this by comparing the results from dummy wooden tractors with a set of allegedly "active" metal tractors, and published his findings in a book On the Imagination as a Cause & as a Cure of Disorders of the Body .
Research suggests that zinc supplements may reduce cold symptoms if you start taking them as soon as your symptoms start. You can take zinc lozenges or syrup, or eat zinc-rich foods , like meat ...
No treatment is available, and the only protection is vaccination. The virus is usually transmitted by prolonged face-to-face contact with a person showing symptoms. The incubation period averages 12–14 days. [18] One of the most feared diseases of human history, smallpox was still causing an estimated 2 million deaths every year as late as 1967.
For a variety of ailments, home remedies often seem like the easy route to take, but they are not always reliable. Skip to main content. 24/7 Help. For premium support please call: 800 ...