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.
HIV is an abbreviation for Human Immunodeficiency Virus. There are two main forms of HIV: HIV-1 and HIV-2. HIV-1 was discovered by Luc Montagnier and his associates at the Institute Pasteur in Paris in 1983.ince its discovery in 1983, no new modes of transmission of HIV have been discovered. HIV cannot be transmitted by touch, by insect vectors, or across fomites. Currently, blood supplies are screened for hepatitis, HIV, and other infections.