CLEAN : Nigeria confirms Liberian man died of Ebola in Lagos

A passenger arriving at an airport presented with symptoms of fever, vomiting, and diarrhea. The Port Health Division quickly isolated him and transported him to a hospital, avoiding public contact. Medical evaluations confirmed Ebola virus disease, corroborated by other labs. All passengers in contact with him are under investigation per WHO regulations. Nigeria's entry points are on high alert.

What was confirmed by the advanced laboratory regarding the patient's condition?

What measures were taken at all ports of entry to Nigeria in response to the situation?