ISO week 21, 2026 · May 18–24, 2026

Weekly outbreak digest

1 day captured 2 peak active

Day-by-day

May 24, 2026 2 active · 93 confirmed · 179 deaths

As of 2026-05-24, 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.

Each day links to its full daily briefing. Browse the weekly digest archive or jump to the live dashboard.