World Health Organization contain the last European outbreak in Yugoslavia in 1972. After over two decades of fighting smallpox, the WHO declared in 1979 that the disease had been eradicated – the first disease in history to be eliminated by human effort. Also in 1967, the WHO launched the Special Programme for Research and Training in Tropical Diseases and the World Health Assembly voted to enact a resolution on Disability Prevention and Rehabilitation, with a focus on community-driven care. In 1974, the Expanded Programme on Immunization and the control programme of onchocerciasis was started, an important partnership between the Food and Agriculture Organization
Countdown to Extinction deluxe edition for "Record Collector", journalist Joel McIver eulogized it as a "masterpiece of technical, melodic thrash" and a showcase of Megadeth "at their best and most coherent". "Countdown to Extinction" was released on July 6, 1992 through Capitol Records and debuted at number two on the "Billboard" 200 with first week sales of 128,000 copies. It was prevented from entering the chart at number one because of Billy Ray Cyrus' long chart-topping reign with "Some Gave All". The album was acknowledged as the band's commercial breakthrough, and according to authors Pete Prown and Harvey P. Newquist, Megadeth "reached the