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The changing epidemiology of monkeypox and preventive measures: an update

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Abstract

Monkeypox is a systemic exanthematous viral disease presenting with fever, lymphadenopathy, and vesicular rash. The zoonotic virus causing this disease is endemic to many sub-Saharan African countries, where a steady rise in cases has been witnessed for the past 30 years. However, monkeypox re-emerged as the largest outbreak of the West African clade (clade II) of monkeypox virus in Nigeria in 2017. This poxvirus received only minimal global attention until recently, when cases emerged in Europe and rapidly spread globally in certain sections of the community, such as men having sex with men or bisexuals, with human-to-human transmission. Monkeypox virus has established its presence in humans, crossing geographical boundaries, and clusters of infections may occur among individuals in close contact. All six WHO regions have reported monkeypox cases without any epidemiological association with endemic regions. The ongoing multicountry outbreak suggests that silent human-to-human transmission has been happening in Europe and the United States for a while. For containment of the outbreak, active surveillance and rapid identification of new cases are essential. The availability of vaccines is currently limited. Policymakers must focus on awareness programmes, primary preventive or post-exposure vaccination, and treatment with antivirals to control the ongoing outbreak.

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    Sasidharanpillai Sabeena

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Sabeena, S. The changing epidemiology of monkeypox and preventive measures: an update. Arch Virol 168, 31 (2023). https://doi.org/10.1007/s00705-022-05677-3

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