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.
Family Activities: Bronx Zoo Attraction. 2300 Southern Blvd., Bronx, NY 10460. Sprawled across 265 acres, Bronx Zoo is one of the world's largest zoos, behind Beijing, Berlin and Henry Doorly Zoo (Nebraska). It is the biggest metropolitan zoo in the United States, and is known throughout the world for its extraordinarily vast display of animals.