Maryland is seeing an outbreak of measles cases, mirroring a trend across the country that health officials are concerned could rise even further. The number of measles cases continues to rise in the U.S. and around the world. Globally, cases rose 79% from 2022 to 2023. In the U.S., the Centers for Disease Control and Prevention reported 20 cases of measles as of Feb. 15. All of last year, there were 58 cases of measles. If the trend continues, the CDC projects a 175% increase in measles cases this year.