Global Notice Global Historical notice
Influenza A(H7N9) virus - China
- Start date
- February 29, 2024
- Last updated
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Outbreak notice totals
All-time counts across every WHO Disease Outbreak News bulletin in Public Health Trace.
3,195
Total noticesEvery WHO Disease Outbreak News bulletinCase total not available
Confirmed casesSum of reported illnesses131
Countries affectedAugust 28, 2026
Most recent noticeDownload matching outbreaks as CSV
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A chart of outbreaks grouped by month.
Download CSVSummary (Year to date)
- 25 outbreaks have been reported year to date.
- Aug 2026 was 0% higher than the previous complete period (Jul 2026: 3).
- The highest complete period was May 2026 (7).
- Sep 2026 is incomplete and not included in the figures above.
- Complete data
- Incomplete
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Outbreak notices
Global Notice Global Historical notice
Influenza A(H7N9) virus - China
- Start date
- February 29, 2024
- Last updated
Global Notice Global Historical notice
Influenza A(H7N9) virus - China
- Start date
- February 28, 2024
- Last updated
Global Notice Global Historical notice
Influenza A(H7N9) virus - China
- Start date
- February 28, 2024
- Last updated
Global Notice Global Historical notice
Influenza A(H7N9) virus - China
- Start date
- February 28, 2024
- Last updated
Global Notice Global Historical notice
Upsurge of respiratory illnesses among children-Northern China
- Start date
- November 23, 2023
- Last updated
Global Notice Global Historical notice
Avian Influenza A(H3N8) - China
- Start date
- May 9, 2022
- Last updated
Global Notice Global Historical notice
Human infection with avian influenza A(H10N3) – China
- Start date
- June 10, 2021
- Last updated
Global Notice Global Historical notice
1998 - Influenza in China
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Enterovirus Outbreak in Taiwan, China - Update No.1
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Enterovirus Outbreak in Taiwan, China - update no. 2
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
Update 80 - Change in travel recommendations for parts of China, situation in Toronto
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 69 - Situation in China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Acute respiratory syndrome in Hong Kong Special Administrative Region of China/ Viet Nam
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 71 - Status of diagnostic tests, training course in China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 88 – New cases reported in China and Japan
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Acute respiratory syndrome in China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 77 - WHO officials to visit China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 62 - More than 8000 cases reported globally, situation in Taiwan, data on in-flight transmission, report on Henan Province, China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 96 - Taiwan, China: SARS transmission interrupted in last outbreak area
- Start date
- June 7, 2021
- Last updated
Data last updated:
Outbreak investigations may be ongoing; case counts, hospitalizations, and deaths are updated by CDC as investigations continue. Read the full medical disclaimer.
