COVID-19, polio and Mpox remain global concerns

Here are the key findings from our latest surveillance report on Overseas Infectious Diseases of priority concern.

  • COVID-19 remains a global concern with the continued development of new subvariants
  • Poliovirus cases remained high in African countries in 2023, particularly the Democratic Republic of the Congo, Nigeria, Chad and Guinea
  • Mpox cases at the global level dropped between 2022 and 2023, but surged again with the emergence of a new strain in 2024
  • Measles cases increased between 2021 and 2022, and vaccination rates remained lower than optimal

Visit our Overseas infectious diseases of priority concern page for more information.