Dr. Tedros Adhanom Ghebreyesus, the head of the World Health Organization, is warning that the Ebola outbreak in Congo could be the deadliest ever. CBS News' Ramy Inoncencio reports.
Source: [CBS News](https://www.cbsnews.com/video/global-health-chief-warns-ebola-outbreak-in-congo-could-be-deadliest-ever/)