CDC warns bird flu virus showing mutations in severe cases
Fox News senior medical analyst Dr. Marc Siegel explains what's behind human cases of bird flu in U.S.
An Ebola outbreak has been reported in the Democratic Republic of the Congo (DRC) in Africa. (iStock)
Ebola occurs when someone is infected with orthoebolavirus zairense, which is a virus mainly found in sub-Saharan Africa. (iStock)
A boy gets vaccinated for Ebola virus in the village of Mangina in North Kivu province of the Democratic Republic of Congo, on Aug. 18, 2018. "It is essential that the international community provides medical and public health support to DRC and that vaccines be made quickly available in both the affected and surrounding areas," an expert said. (REUTERS/Olivia Acland)
This undated colorized transmission electron micrograph file image made available by the Centers for Disease Control and Prevention (CDC) shows an Ebola virus virion. (Frederick Murphy/CDC via AP, File) (AP Images)