2023-10-19-世界卫生组织-Multi-country_outbreak_of_mpox,_External_situation_report_29_–_20_October_2023_17页_1mb

Summary of Multi-country Mpox Outbreak Report (External Situation Report 29, 2023)

• Risk Assessment:

  • Low risk for general populations in countries unaffected by prior mpox outbreaks.
  • Moderate risk for countries with historical mpox transmission and their neighbors, and for men who have sex with men/sex workers.

• Epidemiology:

  • Cumulative cases (up to 30 Sep 2023): 91,123 laboratory-confirmed cases, including 157 deaths, from 115 countries across all WHO regions.
  • Regional distribution: Most affected regions in Sep 2023: Western Pacific (45% of Sep cases), European (26.4%), South-East Asia, Americas, and African Region.
  • European Region saw a significant increase (+660%) in cases during September, driven by countries like Portugal, Spain, and the UK.
  • Demographics: Cases predominantly male (96.3%), median age 34 years; sexual transmission is most common (82.5% of reported events).

• Surveillance:

  • Reporting frequency shifted from weekly to monthly, likely affecting data interpretation for September.
  • Event-based and indicator-based surveillance systems are used for early detection and monitoring of the outbreak, including mpox in children and adolescents.
  • Special focus on children/adolescents: Cases are lower (1.3%) compared to past African outbreaks; disease severity is low, with no deaths among this group in reported data.

• Other Highlights:

  • Updated case reporting form to support global surveillance sustainability.
  • Decline in public interest impacting event-based surveillance systems.
  • WHO recommendations and technical resources provided for outbreak response, clinical management, and laboratory testing.