Kenya confirmed a second Ebola case on 17 October, ten days after a Kenyan man died from the virus following travel from the Democratic Republic of Congo. The new patient, a 39-year-old man, is a close relative of the deceased and had been in quarantine when he developed symptoms on Tuesday, according to the Kenyan health ministry. Both infections are linked, and no evidence of community transmission exists, the ministry said, urging the public to "stay calm but vigilant."

The incubation period for Ebola ranges from two to 21 days, meaning symptoms may appear weeks after exposure. Early detection in the new case improved recovery prospects and reduced transmission risk, officials noted. The deceased, a 40-year-old man, had traveled from DR Congo through Uganda to Kenya without being detected, arriving in Nairobi on 5 October. He was diagnosed shortly after hospital admission and had contact with 128 people; 113 have been identified, with 108 in quarantine and 15 still being traced.

The current outbreak in DR Congo, caused by the relatively rare Bundibugyo species, began in May and has resulted in over 4,000 deaths, marking the second-deadliest known Ebola outbreak. No vaccine or treatment exists for this strain, though clinical trials are underway. The virus spreads through contact with infected bodily fluids such as blood or vomit. Kenya's health ministry advises anyone experiencing fever, severe fatigue, muscle or joint pain, vomiting, diarrhea, or unexplained bleeding to seek immediate care.

The Africa Centres for Disease Control and Prevention reconstructed the patient's movements over six weeks prior to his death, revealing missed opportunities for detection during visits to Congolese health facilities and at airport screenings in Uganda and Kenya. Health experts note that reliance on temperature checks and self-declarations has limitations in preventing cross-border spread. Kenya maintains open borders with no travel, trade, or gathering restrictions in place.