The Swiss government has disputed Uganda’s account of a Nigerian woman’s travel history as health officials investigate where she contracted the virus

The woman diagnosed with Nigeria’s first Ebola case in more than a decade did not travel to the Democratic Republic of the Congo (DR Congo), the Swiss government has said. The statement contradicts claims by Ugandan authorities that she had visited the country where the current outbreak began.

The patient is a 42-year-old Ugandan-born Swiss national married to a Swiss diplomat based in Abuja. She is believed to have contracted the virus while traveling with her husband in Uganda, the Swiss Federal Department of Foreign Affairs told Reuters on Thursday.

Uganda’s Health Ministry initially reported that the woman was a Nigerian national who had visited eastern DR Congo on business before traveling through Uganda. The ministry said the source of her infection remained unknown and stressed that Uganda had no active Ebola cases.…