A virus is defined as any of a various number of submicroscopic parasites that can infect any animal, plant or bacteria and often lead to very serious or even deadly diseases. A virus consists of a core of RNA or DNA, generally surrounded by a protein, lipid or glycoprotein coat, or some combination of the three.
Richmond Hill is also one of the fastest growing municipalities in the Greater Toronto Area which is not surprising considering its close proximity to Toronto, and the fact that it is home to major employers including: Compaq Canada., Epson Canada, Levi Strauss, Lexmark Canada, and Suzuki Canada.
For the former regional municipality that existed from 1954 to 1998, see Metropolitan Toronto. The Greater Toronto Area (GTA) is the most populous metropolitan area in Canada. As of the 2016 census, it has a population of 6,417,516, and has a census metropolitan area population of 5,928,040. The Greater Toronto Area is defined as the central city of Toronto, and the four regional municipalities that surround it: Durham, Halton, Peel, and York.