The current Ebola case fatality risk isn’t 20%, despite many reporting this value (i.e. 136 deaths / 676 cases)...
A decade ago, we highlighted how deaths are lagged outcome, so calculation that simply divides deaths to date by cases to date in ongoing Ebola outbreak will underestimate severity:
The case fatality rate (CFR) for the 2014 Ebola outbreak in west Africa has been widely
reported to be much lower than for most previous outbreaks.1 However, this low rate
is not necessarily a feature...
