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Monkeypox 2024 outbreak: Fifty essential questions and answers
Beatriz Cabanillas1, Giuseppe Murdaca2,3, Amir Guemari4
1Department of Allergy, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.
Allergy
|November 4, 2024
Summary
The 2024 monkeypox (mpox) outbreak, driven by a more transmissible clade Ib variant, has surged with over 20,000 cases in Africa. This review addresses key questions on mpox virology, epidemiology, and public health challenges.
Area of Science:
- Virology and Epidemiology
- Public Health Emergencies
- Infectious Disease Outbreaks
Background:
- The 2022 global mpox outbreak impacted over 120 countries.
- A new wave of monkeypox virus (MPXV) infections is escalating in 2024, particularly in Africa.
- The World Health Organization declared the current mpox outbreak a Public Health Emergency of International Concern (PHEIC) on August 14, 2024.
Purpose of the Study:
- To comprehensively review the 2024 mpox outbreak through 50 questions and answers.
- To detail the characteristics, epidemiological data, and impact of the current outbreak compared to previous ones.
- To explore critical aspects of MPXV virology, immunology, clinical presentation, epidemiology, diagnostics, and treatments.
Main Methods:
- Review of current scientific literature and epidemiological data.
- Analysis of the characteristics of the newly identified clade Ib variant.
- Synthesis of information to address 50 key questions regarding the mpox outbreak.
Main Results:
- The 2024 outbreak is characterized by an exponential increase in cases, with over 20,000 recorded in Africa.
- A predominant clade Ib variant, first detected in the DRC, shows enhanced transmissibility and international spread.
- The outbreak presents significant and evolving challenges in terms of scale, spread, and public health response.
Conclusions:
- The 2024 mpox outbreak represents a significant escalation with global implications.
- Understanding the virological and epidemiological nuances of the clade Ib variant is crucial.
- Heightened global public health measures and continued research are essential to manage the mpox crisis.
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