Walter Brooks Jr. was a healthy 18-year-old college student when he came down with a cough and a slight fever nearly two weeks ago.

What appeared at first to be a minor virus turned deadly when his symptoms worsened last week. Denise Brooks said her son tested positive for the H1N1 virus at the University of Maryland Medical Center in Baltimore.

The Brooklyn Park teen died early yesterday morning. He was apparently the first Anne Arundel County resident to die after developing swine flu.

Brooks said the virus, combined with a staph infection her son was fighting, led to organ failure. Doctors amputated both of...