2023-03-02-世界卫生组织-Cumulative_number_of_confirmed_human_cases_for_avian_influenza_A_H5N1_reported_to_WHO,_2003-2023,_3_March_2023_4页_77kb

Summary of Avian Influenza A(H5N1) Human Cases and Deaths (2003-2023)

Data Overview

• The provided data includes cumulative laboratory-confirmed human cases and deaths from avian influenza A(H5N1) reported to WHO from 2003 to 2023.
• Cases include deaths as per the source.
• The data is broken down by year and country, with totals aggregated for periods 2003-2009, 2010-2014, 2015-2019, and individual years 2020-2023.
• Countries listed have varying numbers of cases and deaths; laboratory confirmation is required for reporting.
• Onset of illness is the reference date for cases.

Summary Statistics

• Total Cases: 873
• Total Deaths: 458 (included in cases)

Year-wise Breakdown

• 2003-2009: Cases: 468, Deaths: 282
• 2010-2014: Cases: 233, Deaths: 125
• 2015-2019: Cases: 145, Deaths: 42
• 2020-2023: Cases and deaths not specified separately but included in the overall total.

Country-wise Summary

• Top affected countries by cases and deaths:
  • Egypt: 359 cases, 120 deaths
  • Indonesia: 200 cases, 168 deaths
  • China: 55 cases, 32 deaths
  • Vietnam: 128 cases, 64 deaths (prior to subtotals)
• Other countries with cases include Azerbaijan, Bangladesh, Cambodia, and others varying by year.

Key Findings

• High burden observed in countries with livestock exposure and regions like Africa and Southeast Asia.
• A decreasing trend in cases and deaths from earlier to later decades (e.g., 2003-2009 had higher cases than 2015-2019).
• Data source: WHO/GIP, as of March 2023.