Nationwide Climate Service.

Steve Mitchell, MD, medical director, Emergency Division, UW Drugs/Harborview Medical Middle, Seattle.

Lisa Jaffe, freelance journalist, Seattle.

Elisa Claassen, workplace employee and photographer, Noonsack, WA.

CDC: “Warning Indicators and Signs of Warmth-Associated Sickness.”

King County Medical Examiner’s Workplace.

Sean McGann, MD, Philadelphia emergency physician; spokesperson, American School of Emergency Physicians.

Delia Hernandez, Oregon Well being Authority spokesperson.

Assertion, British Columbia Coroners Service, June 30, 2021.

Capt. Timothy R. Fox, spokesperson, Oregon State Police.