BALTIMORE, MD (October 19, 2012) - Seasonal influenza has officially hit in Maryland, with four confirmed cases, the Department of Health and Mental Hygiene (DHMH) announced today. The first laboratory-confirmed cases of seasonal influenza have been diagnosed in four children in the Baltimore Metropolitan Region. One of the four was hospitalized, and all four are doing well. Three of the children had type A (H3N2) influenza, while one had type B influenza. Last season, the first confirmed case of influenza was reported on December 30, 2011.