Health & Biosecurity

Kenya's health ministry confirmed October 6 its first imported Bundibugyo Ebola case in a traveller from DR Congo who died in Nairobi; 28 direct contacts and 27 flight passengers and crew were initially identified for tracing.

New reporting from Africa CDC and medical responders shows North Kivu now accounts for about 40% of newly confirmed DRC Ebola cases, versus 24% at end-August, while only 23% of expected contacts have been traced.

Kenya confirmed its first imported Bundibugyo virus disease case, involving a traveler arriving October 3 from the DRC via Uganda; the patient died October 5 and contact tracing is under way.

Kenya confirmed its first imported Bundibugyo Ebola case and death; October 7 reporting raised identified contacts to 57, with 10 reportedly quarantined, but no local transmission confirmed.

Kenya confirmed its first imported Bundibugyo Ebola case and death following travel from Congo via Uganda; an October 7 health-ministry update increased identified contacts to 57, with 10 quarantined.

Kenya confirmed its first imported Bundibugyo virus disease case in a traveler from the Democratic Republic of Congo; the patient died and contact tracing is underway.

The CDC's October 16 update reports 4,410 US measles cases through October 15, up 330 from the prior week, and 451 hospitalizations in 2026. The national outbreak is ongoing; this is an update to an existing event, not a new outbreak.

U.S. Impact: Elevated

Florida has reported more than 250 locally acquired dengue cases in 2026, concentrated in Hillsborough County, making the outbreak the largest documented in the continental United States in decades. At least one death has been reported and multiple Tampa Bay counties have declared emergencies.

Authorities in Russia's Irkutsk region have quarantined a hospital and placed 189 contacts under medical observation after a young anti-plague laboratory worker died following a suspected pneumonic plague infection.

The FDA closed its investigation into the largest recorded U.S. multistate Cyclospora outbreak, finding strong evidence linking recalled shredded iceberg lettuce from Taylor Farms de Mexico; 12,883 people were sickened, 570 hospitalized and two died.

Bangladesh recorded 148 dengue deaths in September, up from 43 in August, while 2026 hospitalizations reached 79,620 and authorities warned transmission may worsen in October.

Pennsylvania reported 943 confirmed measles cases across 39 counties and a fifth measles-associated death, marking a material worsening of the state's 2026 outbreak.

Cuban health authorities are warning of spreading viruses, including viral hepatitis, as prolonged power and water failures degrade sanitation; the UN says about 3.5 million people are experiencing water shortages.

Two Congolese health officials told Reuters on October 15 that two Bundibugyo Ebola cases were identified in North Ubangi near the Central African Republic. The new province was not yet formally confirmed by DRC authorities; ECDC's October 15 surveillance update covered seven provinces as of October 13.

The U.S. CDC has confirmed a second measles-related death in 2026 while reporting 3,659 confirmed cases through September 24 across 47 jurisdictions, extending the country's worst measles year in decades.

Government data show 4,018 deaths among 8,300 confirmed Ebola cases across seven provinces, making the 2026 outbreak the deadliest in DR Congo's history.

Pennsylvania reported 903 measles cases, including 68 new infections since the previous Wednesday, with 176 hospitalizations and four state-reported measles-related deaths.

Bangladesh launched an intensified nationwide measles-rubella catch-up campaign targeting 3.4 million children aged 6-59 months who were missed or newly eligible, while transmission continues during the country's worst recorded measles outbreak.

New reporting citing Africa CDC and responders says North Kivu now accounts for around 40% of new Congo Ebola cases, versus 24% in late August; only 23% of expected contacts have been traced.

WHO says the Democratic Republic of Congo's Ebola outbreak remains uncontrolled and the response is running short of health workers, while cases in North Kivu have surged 73% over three weeks. The development materially increases the risk that treatment capacity falls behind transmission in an already fast-growing outbreak.