Cholera Outbreaks Surge Worldwide, Following Floods, Droughts and Wars A record number of outbreaks has drained the cholera vaccine supply, leading the W.H.O. to ration emergency vaccinations. Author: Stephanie Nolen Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)