Monkeypox: A New Threat?

The global vaccination programme against smallpox led to its successful eradication and averted millions of deaths. Monkeypox virus (MPXV) is a close relative of the Variola (smallpox) virus. Due to antigenic similarity, smallpox vaccines cross-protect against MPXV. However, over 70% of people livin...

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Main Authors: Dorota Kmiec, Frank Kirchhoff
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/14/7866
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author Dorota Kmiec
Frank Kirchhoff
author_facet Dorota Kmiec
Frank Kirchhoff
author_sort Dorota Kmiec
collection DOAJ
description The global vaccination programme against smallpox led to its successful eradication and averted millions of deaths. Monkeypox virus (MPXV) is a close relative of the Variola (smallpox) virus. Due to antigenic similarity, smallpox vaccines cross-protect against MPXV. However, over 70% of people living today were never vaccinated against smallpox. Symptoms of monkeypox (MPX) include fever, head- and muscle ache, lymphadenopathy and a characteristic rash that develops into papules, vesicles and pustules which eventually scab over and heal. MPX is less often fatal (case fatality rates range from <1% to up to 11%) than smallpox (up to 30%). MPXV is endemic in sub-Saharan Africa, infecting wild animals and causing zoonotic outbreaks. Exotic animal trade and international travel, combined with the increasing susceptibility of the human population due to halted vaccination, facilitated the spread of MPXV to new areas. The ongoing outbreak, with >10,000 cases in >50 countries between May and July 2022, shows that MPXV can significantly spread between people and may thus become a serious threat to public health with global consequences. Here, we summarize the current knowledge about this re-emerging virus, discuss available strategies to limit its spread and pathogenicity and evaluate its risk to the human population.
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spelling doaj.art-868c48d573154b8a9cf7c32d8459112d2023-12-01T22:15:55ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-07-012314786610.3390/ijms23147866Monkeypox: A New Threat?Dorota Kmiec0Frank Kirchhoff1Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, GermanyInstitute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, GermanyThe global vaccination programme against smallpox led to its successful eradication and averted millions of deaths. Monkeypox virus (MPXV) is a close relative of the Variola (smallpox) virus. Due to antigenic similarity, smallpox vaccines cross-protect against MPXV. However, over 70% of people living today were never vaccinated against smallpox. Symptoms of monkeypox (MPX) include fever, head- and muscle ache, lymphadenopathy and a characteristic rash that develops into papules, vesicles and pustules which eventually scab over and heal. MPX is less often fatal (case fatality rates range from <1% to up to 11%) than smallpox (up to 30%). MPXV is endemic in sub-Saharan Africa, infecting wild animals and causing zoonotic outbreaks. Exotic animal trade and international travel, combined with the increasing susceptibility of the human population due to halted vaccination, facilitated the spread of MPXV to new areas. The ongoing outbreak, with >10,000 cases in >50 countries between May and July 2022, shows that MPXV can significantly spread between people and may thus become a serious threat to public health with global consequences. Here, we summarize the current knowledge about this re-emerging virus, discuss available strategies to limit its spread and pathogenicity and evaluate its risk to the human population.https://www.mdpi.com/1422-0067/23/14/7866monkeypoxMPXVzoonosisemerging viruses2022 MPXV outbreak
spellingShingle Dorota Kmiec
Frank Kirchhoff
Monkeypox: A New Threat?
International Journal of Molecular Sciences
monkeypox
MPXV
zoonosis
emerging viruses
2022 MPXV outbreak
title Monkeypox: A New Threat?
title_full Monkeypox: A New Threat?
title_fullStr Monkeypox: A New Threat?
title_full_unstemmed Monkeypox: A New Threat?
title_short Monkeypox: A New Threat?
title_sort monkeypox a new threat
topic monkeypox
MPXV
zoonosis
emerging viruses
2022 MPXV outbreak
url https://www.mdpi.com/1422-0067/23/14/7866
work_keys_str_mv AT dorotakmiec monkeypoxanewthreat
AT frankkirchhoff monkeypoxanewthreat