Images of the swath of devastation wrought by Typhoon Haiyan in the central Philippines are reminiscent of the tsunami's aftermath in Banda Aceh, Indonesia nearly a decade ago.
And indeed, the World Health Organization grades the great typhoon of 2013 as a Category 3 disaster – its most severe category.
"The scale [of the typhoon's damage] is huge," Dr. Richard Brennan of the World Health Organization tells Shots. "It's monumental. This is one of the biggest emergencies we've dealt with in some time."