{Reference Type}: Journal Article {Title}: Fatal Case of Heartland Virus Disease Acquired in the Mid-Atlantic Region, United States. {Author}: Liu S;Kannan S;Meeks M;Sanchez S;Girone KW;Broyhill JC;Martines RB;Bernick J;Flammia L;Murphy J;Hills SL;Burkhalter KL;Laven JJ;Gaines D;Hoffmann CJ; {Journal}: Emerg Infect Dis {Volume}: 29 {Issue}: 5 {Year}: 05 2023 23 {Factor}: 16.126 {DOI}: 10.3201/eid2905.221488 {Abstract}: Heartland virus (HRTV) disease is an emerging tickborne illness in the midwestern and southern United States. We describe a reported fatal case of HRTV infection in the Maryland and Virginia region, states not widely recognized to have human HRTV disease cases. The range of HRTV could be expanding in the United States.