The other virus that causes herpetic eye disease is herpes simplex type 1, or HSV1. Herpes simplex type 1 is the same virus that causes cold sores on the lips and mouth. In the eye, it usually causes an infection of the cornea called herpes simplex keratitis.
Of the five boroughs, the Bronx is the only one on the U.S. mainland and, with a land area of 42 square miles (109 km 2) and a population of 1,438,159 in 2014, has the fourth largest land area, the fourth highest population, and the third-highest population density.
The Bronx is the only New York City borough that is attached to the mainland of New York State. The Bronx is also the only New York City borough that has a river running through it: The Bronx River.estchester is directly north of the borough of the Bronx (which is the northernmost of the five boroughs). If you continue heading straight north in the Bronx (well, straight northwest, technically), you will run into Westchester.