Iori Hanabusa, left, and Yukkiy Koba of Tokyo, Japan pose in front of a billboard of the cover of The Who's album "The Kids Are Alright" on day 1 of the 2016 Desert Trip music festival at Empire Polo Field on Friday, Oct. 7, 2016, in Indio, Calif. (Photo by Chris Pizzello/Invision/AP)
The Who frontman Roger Daltrey threatened to walk off the stage at New York's Nassau Coliseum Wednesday night if fans in the audience didn't quit smoking marijuana during the performance. (YouTube/Michael Weinbaum)
Director-General of the World Health Organization (WHO) Dr. Margaret Chan, left, and Assistant Director-General of Health Security Keiji Fukuda, right, confer during a news conference after an emergency meeting at the WHO headquarters in Geneva, Switzerland, in this Friday, Aug. 8, 2014, file photo. (AP Photo/Keystone, Salvatore Di Nolfi, File)
Dr. Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases, said the original Centers for Disease Control and Prevention instructions for dealing with the virus were taken from the World Health Organization's protocol for Africa, where conditions are much different from those in U.S. hospitals. (Associated Press)
Chairperson of South-East Asia Regional Certification Commission for Polio Eradication Supamit Chunsuttiwat, second left, displays a certificate declaring South-East Asia polio free along with World Health Organization's South-east Asian region Regional Director Poonam Khetrapal in New Delhi, India, Thursday, March 27, 2014. The World Health Organization has formally declared India polio-free, with no new case of the disease detected in the country in the past three years. Also seen are David Salisbury from Britain’s Dept. of Health, right, and Anthony Adams from Australian National University. (AP Photo/Saurabh Das)
Chairperson of South-East Asia Regional Certification Commission for Polio Eradication Supamit Chunsuttiwat, left, and WHO's South-east Asian region Regional Director Poonam Khetrapal, right, give polio free certification to Indian Health Minister Ghulam Nabi Azad, second right, and Indian official P.K Umashankar, second left, in New Delhi, India, Thursday, March 27, 2014. The World Health Organization has formally declared India polio-free, with no new case of the disease detected in the country in the past three years. (AP Photo/Saurabh Das)