HIV enters the body and binds to dendritic cells (orange cells with projections) which carry the virus to CD4+ T cells in lymphoid tissue establishing the infection. Virus replication accelerates producing massive viremia and wide dissemination of virus throughout the body's lymphoid tissues.
Erie /ËÉªÉri/ is a city in and the county seat of Erie County, Pennsylvania, United States. Named for the lake and the Native American tribe that resided along its southern shore, Erie is the fourth-largest city in Pennsylvania, as well as the largest city in Northwestern Pennsylvania., with a population of 101,786 at the 2010 census. The estimated population in 2016 had decreased to 100,055.
Keystone State Park is a 1,200-acre (486 ha) Pennsylvania state park in Derry Township, Westmoreland County, Pennsylvania in the United States. The main attraction of the park, which opened in 1945, is the 78-acre (32 ha) Keystone Lake, constructed by the Keystone Coal and Coke Company in the early 1900s. The park also has extensive picnic areas and several miles of hiking trails.