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Mpox: emergence following smallpox eradication, ongoing outbreaks and strategies for prevention.

Curr Opin Infect Dis

January 2025

Division of Pediatric Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.

Purpose Of Review: This review focuses on the temporal relationship between the discontinuation of the global smallpox eradication effort with the rise of mpox in Africa and worldwide. It also discusses the global 2022 clade II mpox epidemic and the current 2024 clade I mpox outbreak. Newer findings on viral evolution and pathogenesis, plus current and future strategies for disease prevention, are reviewed.

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Multiple gene-deletion vaccinia virus Tiantan strain against mpox.

Virol J

January 2025

Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, People's Republic of China.

Monkeypox virus (MPXV) is an important zoonotic pathogenic virus, which poses serious threats to public health. MPXV infection can be prevented by immunization against the variola virus. Because of the safety risks and side effects of vaccination with live vaccinia virus (VACV) strain Tian Tan (VTT), we constructed two gene-deleted VTT recombinants (TTVAC7 and TTVC5).

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Monkeypox (mpox) is a viral infection closely related to smallpox, manifesting as a milder febrile rash in affected individuals. Over the past two decades, the incidence of mpox has surged, possibly linked to a declining immunity against the smallpox vaccine worldwide. Recent outbreaks of mpox in multiple countries have sparked concerns regarding altered transmission patterns and the potential for a global menace.

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Dynamic analysis and optimal control of a hybrid fractional monkeypox disease model in terms of external factors.

Sci Rep

January 2025

Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, 21944, Taif, Saudi Arabia.

The monkeypox virus (MPXV), which is a member of the Orthopoxvirus genus in the class Poxviridae, is the causative agent of the zoonotic viral infection MPXV. The disease is similar to smallpox, but it is usually less dangerous. This study examines the evolution of the MPXV epidemic in Canada with an emphasis on the effects of control employing actual data.

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Background: In May, 2022, the first global outbreak of mpox (formerly known as monkeypox) occurred. In response, public health agencies in the UK have made smallpox vaccines available to individuals at the highest risk of infection. With mpox cases still being detected globally, novel tools are required to aid with diagnosis, serosurveillance, and the evaluation of immune responses following infection and immunisation with current and new vaccine candidates.

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