A mountain biker in Southern California has died following a rattlesnake bite in early February, reports said. Julian Hernandez, 25, of Costa Mesa, was bitten on Feb. 1 while bicycling at a trailhead, KTLA reported. Hernandez fell into a coma and remained in an intensive care unit at a hospital, the station said. His family confirmed March 4 that he had died. Here’s what you need to know about rattlesnake safety: What should I do if I get bitten by a rattlesnake?