any-to-any architecture that has virtual connections in a switched environment. AT&T defines VPLS as any-to-any Ethernet that can be either metro or long haul. Since Ethernet is an integral part of VPLS, it is important to understand how Ethernet works and can be used within an enterprise network. Ethernet
HIV in America: New York City Was First 'Hub'. Also, the surprising true story of 'Patient Zero'. MedpageToday. The virus that eventually brought HIV/AIDS to light probably arrived in the U.S. in 1970 or 1971, immigrating from Africa though Haiti, researchers said.
Top 10 U.S. Cities With Highest Rates of HIV Infections What had originated in Kinshasa, in the Democratic Republic of Congo around 1920, HIV crossed species from chimpanzees to humans. Before long, cases of rare lung infections and severe cancers developed from extreme cases of immune deficiencies peaked among gay men in 1981.