Definition of "malarious"

In spite of quinine, the men sickened day by day. Many of them, fine, strong, active fellows, who had never known what a day's sickness meant, went down before the malarious mist that gathered in the jungles.

1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 102

Dr. Abrams, the Columbia expert, said in an interview that the Uganda findings had additional implications for treating H.I.V.-infected children in malarious areas.

2007 March 1, Lawrence K. Altman, “Project Curbs Malaria in Ugandan Group”, in New York Times‎