Test results on the sick people are pending, and a top WHO official said the outbreak response is proceeding rapidly.

In its last outbreak, more than two years ago, Uganda saw 164 cases and 55 confirmed deaths from Ebola. Uganda announced Thursday that a nurse, 32, had died of Ebola in the capital, Kampala, amid a new outbreak of the deadly virus there — the first in two years.

The 32-year-old man, who worked at Mulago Hospital in Kampala, Uganda, developed a fever and was eventually diagnosed with Ebola following multiple tests