Question: What specialized agency serves as the public health division of the organization in which the US and the country called Russia before the Russian revolution became important members?

<P0-S0> the u.s. surgeon general is nominated by the president of the united states and confirmed by the senate. <P0-S1> the surgeon general must be appointed from individuals who (1) are members of the regular corps of the u.s. public health service, and (2) have specialized training or significant experience in public health programs. <P0-S2> the surgeon general serves a four - year term of office and, depending on whether the current assistant secretary for health is a public health service commissioned officer, is either the senior or next most senior uniformed officer of the commissioned corps, holding the rank of a vice admiral. <P0-S3> the current surgeon general is jerome adams, having taken office on september 5, 2017. <SEP> <P1-S0> The Russian Revolution was a pair of revolutions in Russia in 1917 which dismantled the Tsarist autocracy and led to the rise of the Soviet Union. <P1-S1> The Russian Empire collapsed with the abdication of Emperor Nicholas II and the old regime was replaced by a provisional government during the first revolution of February 1917 (March in the Gregorian calendar; the older Julian calendar was in use in Russia at the time). <P1-S2> Alongside it arose grassroots community assemblies (called 'soviets') which contended for authority. <P1-S3> In the second revolution that October, the Provisional Government was toppled and all power was given to the soviets. <SEP> <P2-S0> The World Health Organization (WHO) acts as a coordinating authority on international public health and deals with health and sanitation and diseases and sends medical teams to help combat epidemics. <P2-S1> Established on 7 April 1948, the agency inherited the mandate and resources of its predecessor, the Health Organization, which had been an agency of the League of Nations. <P2-S2> It was established in April 7, 1948 when 26 members of the United Nations ratified its Constitution. <P2-S3> April 7 is celebrated as the World Health Day every year. <P2-S4> The WHO is governed by 194 Member States through the World Health Assembly. <P2-S5> Its headquarters are at Geneva in Switzerland. <SEP> <P3-S0> The Soviet Union suffered greatly in the war, losing around 27 million people. <P3-S1> Approximately 2.8 million Soviet POWs died of starvation, mistreatment, or executions in just eight months of 1941 -- 42. <P3-S2> During the war, the Soviet Union together with the United States, the United Kingdom and China were considered as the Big Four of Allied powers in World War II and later became the Four Policemen which was the foundation of the United Nations Security Council. <P3-S3> It emerged as a superpower in the post-war period. <P3-S4> Once denied diplomatic recognition by the Western world, the Soviet Union had official relations with practically every nation by the late 1940s. <P3-S5> A member of the United Nations at its foundation in 1945, the Soviet Union became one of the five permanent members of the United Nations Security Council, which gave it the right to veto any of its resolutions. <SEP> <P4-S0> the world health organization (who) is a specialized agency of the united nations that is concerned with international public health. <P4-S1> it was established on 7 april 1948, and is headquartered in geneva, switzerland. <P4-S2> the who is a member of the united nations development group. <P4-S3> its predecessor, the health organisation, was an agency of the league of nations.