which virus causes smallpox ?

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https://www.mayoclinic.org › diseases-conditions › smallpox › symptoms-causes › syc-20353027

https://www.mayoclinic.org › diseases-conditions › smallpox › symptoms-causes › syc-20353027
Smallpox – Symptoms and causes – Mayo Clinic
Causes Smallpox is caused by the variola virus. The virus can spread: Directly from person to person. You can catch the smallpox virus by being around someone who has it. An infected person can spread the virus when they cough, sneeze or talk. Coming in contact with skin sores also can cause you to get smallpox. Indirectly from an infected person.

https://www.who.int › health-topics › smallpox

https://www.who.int › health-topics › smallpox
Smallpox – World Health Organization
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. It was one of the most devastating diseases known to humanity and caused millions of deaths before it was eradicated. It is believed to have existed for at least 3000 years.

https://www.who.int › news-room › questions-and-answers › item › smallpox

https://www.who.int › news-room › questions-and-answers › item › smallpox
Smallpox – World Health Organization
Smallpox is an ancient disease caused by the variola virus. Early symptoms include high fever and fatigue. The virus then produces a characteristic rash, particularly on the face, arms and legs. The resulting spots become filled with clear fluid and later, pus, and then form a crust, which eventually dries up and falls off. Smallpox was fatal in up to 30% of cases.

https://en.wikipedia.org › wiki › Smallpox

https://en.wikipedia.org › wiki › Smallpox
Smallpox – Wikipedia
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 it the only human disease to be eradicated.

https://www.cdc.gov › smallpox › about › index.html

https://www.cdc.gov › smallpox › about › index.html
What is Smallpox? | Smallpox | CDC
Before smallpox was eradicated, it was a serious infectious disease caused by the variola virus. It was contagious—meaning, it spread from one person to another. People who had smallpox had a fever and a distinctive, progressive skin rash. Most people with smallpox recovered, but about 3 out of every 10 people with the disease died. Many smallpox survivors have permanent scars over large areas of their body, especially their faces. Some are left blind.

https://www.verywellhealth.com › smallpox-causes-risk-factors-4161057

https://www.verywellhealth.com › smallpox-causes-risk-factors-4161057
Smallpox: Causes and Risk Factors – Verywell Health
Variola virus, which causes smallpox, is a stealthy virus that spends its incubation period sneaking around its human host and reproducing without triggering an immune response. By the time the variola virus is developing into smallpox and making its host sick, the virus has spread throughout the body. The immune system hardly has time to react.

https://www.everydayhealth.com › infectious-diseases › smallpox

https://www.everydayhealth.com › infectious-diseases › smallpox
What Is Smallpox? Symptoms, Causes, Diagnosis, Treatment, and …
Smallpox is caused by the variola virus, which, along with the vaccinia virus, monkeypox virus, and cowpox virus, belongs to the genus Orthopoxvirus. There are two species of variola…

https://www.medicalnewstoday.com › articles › smallpox

https://www.medicalnewstoday.com › articles › smallpox
Smallpox: History, cause, vaccine, and does it still exist?
The variola virus caused smallpox. This virus is a member of the orthopoxvirus family, which also includes cowpox and monkeypox. Historians believe that the first written description of…

https://www.smithsonianmag.com › science-nature › should-we-destroy-our-last-living-samples-virus-causes-smallpox-180951321

https://www.smithsonianmag.com › science-nature › should-we-destroy-our-last-living-samples-virus-causes-smallpox-180951321
Should We Destroy Our Last Living Samples of the Virus That Causes …
A cluster of variola viruses viewed under an electron microscope. Strains of the variola virus cause smallpox disease. Photo: © Callista Images/Corbis Smallpox was perhaps one of the most…

https://www.cdc.gov › smallpox › history › history.html

https://www.cdc.gov › smallpox › history › history.html
History of Smallpox | Smallpox | CDC
One of the first methods for controlling smallpox was variolation, a process named after the virus that causes smallpox (variola virus). During variolation, people who had never had smallpox were exposed to material from smallpox sores (pustules) by scratching the material into their arm or inhaling it through the nose. After variolation, people usually developed the symptoms associated with smallpox, such as fever and a rash. However, fewer people died from variolation than if they had …

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Pandémie
2020) (en) « How Poxviruses Such As Smallpox Evade The Immune System », ScienceDaily, 1er février 2008. (en) « Smallpox »(.org • Wikiwix • …
56 Kio (6 450 mots) – 14 novembre 2022 à 18:40
World Community Grid
l’énergie propre. IBM et d’autres participants ont parrainé la recherche de Smallpox Research Grid Project afin d’accélérer la découverte d’un remède contre…
58 Kio (5 336 mots) – 7 novembre 2022 à 17:21
Affichage des résultats provenant de Wikipédia en anglais.
Smallpox vaccine
relatively mild cowpox virus conferred immunity against the deadly smallpox virus. Cowpox served as a natural vaccine until the modern smallpox vaccine emerged…
108 Kio (11 827 mots) – 15 novembre 2022 à 07:20
Smallpox
Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring…
151 Kio (16 868 mots) – 8 novembre 2022 à 14:55
Smallpox virus retention debate
whether or not the last two known remnants of the Variola virus known to cause smallpox, which are kept in tightly controlled government laboratories in…
15 Kio (1 724 mots) – 1 octobre 2022 à 19:04
Monkeypox virus
virus, which causes smallpox. The clinical presentation of Monkeypox is similar to smallpox but with a milder rash and lower mortality rate.The virus…
22 Kio (2 108 mots) – 12 novembre 2022 à 10:02
Cowpox (redirection depuis Cowpox virus)
them immune to cowpox, but they also develop immunity to the smallpox virus, or Variola virus. The cowpox vaccinations and later incarnations proved so successful…
26 Kio (3 029 mots) – 11 novembre 2022 à 15:45
1978 smallpox outbreak in the United Kingdom
Shooter Inquiry found that Parker was accidentally exposed to a strain of smallpox virus that had been grown in a research laboratory on the floor below her…
31 Kio (3 279 mots) – 18 octobre 2022 à 19:14
Vaccinia (redirection depuis Vaccinia virus)
fg. The vaccinia virus is the source of the modern smallpox vaccine, which the World Health Organisation used to eradicate smallpox in a global vaccination…
28 Kio (3 246 mots) – 12 novembre 2022 à 00:24
Monkeypox (catégorie Virus-related cutaneous conditions)
disease is caused by the monkeypox virus, a zoonotic virus in the genus Orthopoxvirus. The variola virus, the causative agent of smallpox, is also in…
76 Kio (7 515 mots) – 15 novembre 2022 à 00:14
Virus
characteristic of the herpes viruses, including Epstein–Barr virus, which causes glandular fever, and varicella zoster virus, which causes chickenpox and shingles…
147 Kio (17 504 mots) – 2 octobre 2022 à 22:38
Poxviridae (redirection depuis Pox virus)
they cause. The smallpox virus remains the most notable member of the family.[citation needed] Diseases caused by pox viruses, especially smallpox, have…
28 Kio (3 118 mots) – 10 novembre 2022 à 00:05
Rhinovirus (redirection depuis Rhino virus)
and are among the smallest viruses, with diameters of about 30 nanometers. By comparison, other viruses, such as smallpox and vaccinia, are around ten…
29 Kio (3 480 mots) – 4 novembre 2022 à 08:13
Social history of viruses
devastating consequences. Smallpox and measles viruses are among the oldest that infect humans. Having evolved from viruses that infected other animals…
122 Kio (15 803 mots) – 13 juillet 2022 à 22:17
History of smallpox
The history of smallpox extends into pre-history. Genetic evidence suggests that the smallpox virus emerged 3,000 to 4,000 years ago. Prior to that, similar…
80 Kio (9 414 mots) – 10 novembre 2022 à 15:30
1972 Yugoslav smallpox outbreak
pilgrim had contracted the smallpox virus in the Middle East. Upon returning to his home in Kosovo, he started the epidemic in which 175 people were infected…
11 Kio (1 091 mots) – 5 octobre 2022 à 21:21
Encephalitis (redirection depuis Encephalitis viruses)
hearing. Causes of encephalitis include viruses such as herpes simplex virus and rabies virus as well as bacteria, fungi, or parasites. Other causes include…
29 Kio (2 509 mots) – 11 août 2022 à 13:03
Introduction to viruses
exception of smallpox, most pandemics are caused by newly evolved viruses. These emergent viruses are usually mutants of less harmful viruses that have…
57 Kio (6 894 mots) – 15 juin 2022 à 00:20
Variolation (redirection depuis Smallpox Variolation)
still induced immunity to the virus. The patient would develop pustules like those caused by naturally acquired smallpox. Eventually, after about two to…
32 Kio (4 281 mots) – 27 octobre 2022 à 02:33
Rinderpest (redirection depuis Rinderpest virus)
stocks), following smallpox. In June 2019 the UK destroyed its stocks of rinderpest virus, held at the Pirbright Institute in Surrey, which were most of the…
35 Kio (3 948 mots) – 21 septembre 2022 à 18:59
1971 Aral smallpox incident
Rickettsia prowazekii, Variola major (smallpox), Yersinia pestis, botulinum toxin, and Venezuelan equine encephalitis virus. (By 1960, the Soviet biological…
9 Kio (1 136 mots) – 3 novembre 2022 à 10:47
DNA virus
Variola virus, which caused smallpox. Many varidnaviruses can become endogenized in their host’s genome; a peculiar example are virophages, which after…
25 Kio (2 887 mots) – 23 septembre 2022 à 21:37
Zoonosis (redirection depuis Zoonotic virus)
needed] The first vaccine against smallpox by Edward Jenner in 1800 was by infection of a zoonotic bovine virus which caused a disease called cowpox. Jenner…
68 Kio (5 524 mots) – 24 octobre 2022 à 01:32
Résultats sur Wikidata
[Isolation and identification of the smallpox virus which caused iatrogenic vaccinia in children in the city of Vladivostok] ; scientific article published on 01 March 2001