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 Treatment. Forty years ago, the human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) were unheard of in the United States. The first cases of what was then a mysterious illness were diagnosed in the 1980s, but effective treatments took several more decades.IV Treatment. Forty years ago, the human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) were unheard of in the United States. The first cases of what was then a mysterious illness were diagnosed in the 1980s, but effective treatments took several more decades.