WHO Emergency events

24 March 2025

Nipah virus infection Nipah virus infection

Diseases and conditions

3 September 2025

Ebola virus disease Ebola virus disease

Diseases and conditions

13 August 2025

Circulating vaccine-derived poliovirus type 1 Circulating vaccine-derived poliovirus type 1

Diseases and conditions

21 August 2025

Nipah virus infection Nipah virus infection

Diseases and conditions

4 July 2025

Avian Influenza A(H5N1) Avian Influenza A(H5N1)

Diseases and conditions

22 May 2025

Anthrax Anthrax

Diseases and conditions

15 May 2025

Circulating vaccine-derived poliovirus type 2 (cVDPV2) Circulating vaccine-derived poliovirus type 2 (cVDPV2)

Diseases and conditions

17 April 2025

Avian Influenza A(H5N1) Avian Influenza A(H5N1)

Diseases and conditions

28 March 2025

Invasive meningococcal disease Invasive meningococcal disease

Diseases and conditions

27 March 2025

Measles Measles

Diseases and conditions

30 January 2025

Sudan virus disease Sudan virus disease

Diseases and conditions

29 November 2024

Zika virus disease Zika virus disease

Diseases and conditions

15 January 2025

Chapare haemorrhagic fever Chapare haemorrhagic fever

Diseases and conditions

13 January 2025

Outbreak of suspected Marburg Virus Disease Outbreak of suspected Marburg Virus Disease

Diseases and conditions

8 December 2024

Undiagnosed disease Undiagnosed disease

Diseases and conditions

21 October 2024

Malaria Malaria

Diseases and conditions

25 September 2024

West Nile virus West Nile virus

Diseases and conditions

29 September 2024

Marburg virus disease Marburg virus disease

Diseases and conditions

10 September 2024

Avian Influenza A(H9N2) Avian Influenza A(H9N2)

Diseases and conditions

24 August 2024

Influenza A(H1N1) variant virus Influenza A(H1N1) variant virus

Diseases and conditions