The WHO, no not the band, is kinda right up there with the efficiency of the UN.
SARS, MERS, E-Bola, Bird Flu, none of these were around 20 years ago, and they make HIV/AIDS look tame as it's a lot harder to get.
Reminded of a skit about germs, diseases, infections, from George Carlin
Uh.....Language Warning..But he's spot on...