The first confirmed Ebola patients in Kenya and Nigeria may have crossed paths at Uganda's Entebbe International Airport, according to African health officials, as new information from Switzerland contradicts Uganda's account of the Nigerian patient's travel history.

Uganda , a country reporting no active Ebola infections, has become a focus of investigations into cases thousands of kilometers apart.

Uganda insists it has no confirmed active cases of the deadly virus . Yet health authorities in Kenya and Nigeria are investigating Ebola infections involving people whose travel histories or contacts are connected to the East African nation.

Both patients passed through Entebbe International Airport on October 3, according to Wessam Mankoula, head of emergency preparedness and response at the Africa Centers for Disease Control and Prevention (Africa CDC) .

Health officials say the two may have crossed paths, although it has not been established whether they encountered each other or whether any transmission…