Measles, hand-foot-mouth disease widespread in southern Vietnam
The number of cases has soared since the beginning of September, sparking fears of a nationwide outbreak
WHO calls for more measles vaccination in Europe as large outbreaks persist
Saying she was "taken aback" by high case numbers, Zsuzsanna Jakab, the U.N. health agency's European director, said the 22,149 reported cases from seven countries threatened the region's goal of eliminating measles by the end of 2015.