Outbreak history on November 29

Historical outbreak-response milestones recorded on this calendar date, drawn from WHO Disease Outbreak News, CDC archives, and primary epidemiological literature.

• 2007

  Ebola

  Bundibugyo ebolavirus discovered in Uganda

  CDC laboratory analysis identified a previously-unknown Ebola virus species in samples from an outbreak in Bundibugyo District, western Uganda. The new species — sharing roughly 70% of its genome with the other ebolaviruses — was named for the district. The original outbreak produced 149 cases and 37 deaths. Bundibugyo virus would later cause the 2026 DRC/Uganda PHEIC tracked on this site.

Browse the full outbreak history calendar for milestones across all dates.