Weekly outbreak digest

Day-by-day

• May 25, 2026 2 active · 93 confirmed · 179 deaths

  As of 25 May 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo, with 85 confirmed cases, 746 probable cases, and 176 deaths reported across four countries. The second lead outbreak is a Hantavirus cluster linked to cruise ship travel, affecting nine countries with eight confirmed cases, two probable cases, and three deaths.

• May 26, 2026 2 active · 97 confirmed · 179 deaths

  As of 26 May 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo, with 85 confirmed cases, 746 probable cases, and 176 deaths reported across 4 countries. The second lead outbreak is a Hantavirus cluster linked to cruise ship travel, affecting 9 countries with 12 confirmed cases, 2 probable cases, and 3 deaths. These outbreaks are being closely monitored due to their severity and potential for further spread.

• May 27, 2026 2 active · 93 confirmed · 179 deaths

  As of 2026-05-27, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo, with 85 confirmed cases, 746 probable cases, and 176 deaths reported across 4 countries. The other lead outbreak is a Hantavirus cluster linked to cruise ship travel, affecting 9 countries with 8 confirmed cases, 2 probable cases, and 3 deaths.

• May 28, 2026 2 active · 93 confirmed · 179 deaths

  As of May 28, 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo, with 85 confirmed cases, 746 probable cases, and 176 deaths reported across four countries. The second lead outbreak is a Hantavirus cluster linked to cruise ship travel, affecting nine countries with eight confirmed cases, two probable cases, and three deaths.

• May 29, 2026 2 active · 96 confirmed · 179 deaths

  As of May 29, 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo, with 85 confirmed cases, 746 probable cases, and 176 deaths reported across four countries. The second lead outbreak is a hantavirus outbreak linked to cruise ship travel, affecting nine countries with 11 confirmed cases, two probable cases, and three deaths.

• May 30, 2026 2 active · 145 confirmed · 226 deaths

  As of May 30, 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus, which is affecting four countries, including the Democratic Republic of the Congo and Uganda. This outbreak has reported 134 confirmed cases, 906 probable cases, and 223 deaths. The second lead outbreak is a Hantavirus outbreak linked to cruise ship travel, affecting nine countries. This outbreak has reported 11 confirmed cases, 2 probable cases, and 3 deaths.

• May 31, 2026 2 active · 145 confirmed · 226 deaths

  As of May 31, 2026, two active outbreaks are being monitored globally. The lead outbreak is the Ebola disease caused by Bundibugyo virus, which is affecting the Democratic Republic of the Congo and Uganda. This outbreak has reported 134 confirmed cases, 906 probable cases, and 223 deaths. The second lead outbreak is a Hantavirus outbreak linked to cruise ship travel, which has been reported in multiple locations across eight countries. This outbreak has reported 11 confirmed cases, 2 probable cases, and 3 deaths.