Person requires medical aid near National Avenue in San Bruno Heard on: San Mateo County Fire, CalFire CZU 00:06 00:00 is 51 medical. (number withheld) National Avenue, unit 22. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 is 51 medical. (number withheld) National Avenue, unit 22. 00:03 (number withheld) National Avenue. 00:04 2218, positive, command on scene. 7/1/2026 03:37 AM Medical Emergency National Ave, San Bruno, CA 94066 View on map