WebThis article is a list of major pandemicsand epidemicscaused by infectious diseasesin human history. Events in boldfaceare ongoing. Epidemics with at least 1 million deaths … WebSmallpox is an acute contagious disease caused by the variola virus. It gets its name from the Latin word for "spotted," referring to the raised, pustular bumps that break out over the face and...
1972 Yugoslav smallpox outbreak - Wikipedia
WebApr 28, 2024 · Smallpox had plagued the world for centuries, causing disfiguring pustules, blindness and, in about 30 percent of the cases, death. Variolation — deliberate infection with a milder form of the... WebAug 8, 2003 · Caused by a moderately contagious virus known as Variola major , the initial signs of smallpox came twelve days after exposure, usually by infection of the respiratory tract. Mild at first, the early symptoms were much like those of the flu. They included headache, backache, fever, vomiting and general malaise. cited sources page apa format
Smallpox - Our World in Data
WebThe Naples Plague refers to a plague epidemic in Italy between 1656 and 1658 that nearly eradicated the population of Naples. [1] [2] The epidemic affected mostly central and southern Italy, killing up to 1,250,000 people throughout the Kingdom of Naples according to some estimates. [1] [3] [4] In Naples alone, approximately 150,000–200,000 ... WebMeSH. D012899. Smallpox was a dangerous disease with a high mortality rate. It no longer exists as an epidemic disease. [1] The last naturally occurring case was diagnosed in … Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. 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, making smallpox … See more There are two forms of the smallpox. Variola major is the severe and most common form, with a more extensive rash and higher fever. Variola minor is a less common presentation, causing less severe disease, typically … See more The initial symptoms were similar to other viral diseases that are still extant, such as influenza and the common cold: fever of at least 38.3 °C (101 °F), muscle pain, malaise, headache and … See more Once inhaled, the variola virus invaded the mucus membranes of the mouth, throat, and respiratory tract. From there, it migrated to regional See more The earliest procedure used to prevent smallpox was inoculation with variola minor virus (a method later known as variolation after the introduction of smallpox vaccine to avoid possible … See more Smallpox was caused by infection with variola virus, which belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus See more The clinical definition of ordinary smallpox is an illness with acute onset of fever equal to or greater than 38.3 °C (101 °F) followed by a rash characterized by firm, deep-seated vesicles or pustules in the same stage of development without other apparent cause. … See more Smallpox vaccination within three days of exposure will prevent or significantly lessen the severity of smallpox symptoms in the vast majority … See more diane keaton andy garcia