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Monkeypox virus

Monkeypox virus
Colorized transmission electron micrograph of monkeypox virus particles (teal) found within an infected cell (brown), cultured in the laboratory.
Virus classification Edit this classification
(unranked): Virus
Realm: Varidnaviria
Kingdom: Bamfordvirae
Phylum: Nucleocytoviricota
Class: Pokkesviricetes
Order: Chitovirales
Family: Poxviridae
Genus: Orthopoxvirus
Species:
Monkeypox virus
Clades
  • Clade I (Congo Basin)
  • Clade II (West African)
    • Clade IIa
    • Clade IIb
Synonyms

MPV, MPXV, hMPXV, [ongoing consideration about changing the virus's name]

The monkeypox virus (MPV, MPXV, or hMPXV),[1][a] is a species of double-stranded DNA virus that causes mpox disease in humans and other mammals. The monkeypox virus is a zoonotic virus belonging to the orthopoxvirus genus, making it closely related to the variola, cowpox, and vaccinia viruses. MPV is oval-shaped with a lipoprotein outer membrane. The genome is approximately 190 kb.

The smallpox and monkeypox viruses are both orthopoxviruses, and the smallpox vaccine is effective against mpox if given within 3–5 years before contracting the disease.[3] Symptoms of mpox in humans include a rash that forms blisters and then crusts over, fever, and swollen lymph nodes.[4] The virus is transmissible between animals and humans by direct contact to the lesions or bodily fluids.[5] The virus was given the name monkeypox virus after being isolated from monkeys, but most of the carriers of this virus are small mammals.[4]

The virus is endemic in Central Africa, where infections in humans are relatively frequent.[4][6] Though there are many natural hosts for the monkeypox virus, the exact reservoirs and how the virus is circulated in nature needs to be studied further.[7]

  1. ^ "Mpox (monkeypox) outbreak 2022". www.who.int. Archived from the original on 2023-01-07. Retrieved 2023-01-07.
  2. ^ "WHO recommends new name for monkeypox disease" (Press release). World Health Organization (WHO). 28 November 2022. Retrieved 29 November 2022.
  3. ^ Hibbert CM (2022-08-11). "Baby boomer alert: Will your childhood smallpox vaccine protect against monkeypox?". News @ Northeastern. Archived from the original on 2022-11-18. Retrieved 2022-11-18.
  4. ^ a b c "WHO Factsheet – Mpox (Monkeypox)". World Health Organization (WHO). 18 April 2023. Retrieved 21 May 2023.
  5. ^ CDC (2022-10-18). "Monkeypox in the U.S." Centers for Disease Control and Prevention. Archived from the original on 2022-10-26. Retrieved 2022-10-26.
  6. ^ Bunge, Eveline M.; Hoet, Bernard; Chen, Liddy; Lienert, Florian; Weidenthaler, Heinz; Baer, Lorraine R.; Steffen, Robert (11 February 2022). "The changing epidemiology of human monkeypox – A potential threat? A systematic review". PLOS Neglected Tropical Diseases. 16 (2): e0010141. doi:10.1371/journal.pntd.0010141. PMC 8870502. PMID 35148313.
  7. ^ "Mpox in Animals | Mpox | Poxvirus | CDC". www.cdc.gov. 2023-04-27. Retrieved 2023-06-08.


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