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.
1 Researchers from Europe estimate that some time in the early 1930s a form of simian immunodeficiency virus, SIV, was transmitted to humans in central Africa. 2  The mutated virus was later identified as the first of other human immunodeficiency viruses, HIV-1. A San Francisco prostitute gives birth to the first of three children who were later diagnosed with AIDS. 2  The children's blood was tested after their deaths and revealed an HIV infection. 3  The mother died of AIDS in May 1987.