Nigeria, Oct. 21 -- Uganda's Ministry of Health has urged the public to remain calm and vigilant following Nigeria's confirmation of an Ebola case, clarifying that the infected woman's transit through Uganda does not establish that she contracted the virus there.

In a public statement issued on Tuesday, the ministry said preliminary information indicated that the Nigerian woman travelled to eastern Democratic Republic of the Congo (DRC) for business and passed through Uganda in early October without showing symptoms.

She reportedly developed symptoms after arriving in Nigeria, where authorities have confirmed an Ebola infection.

"The location of exposure remains under investigation," the ministry said, adding that travel through Uganda...