Health 7 hours ago Whooping cough cases spike in San Diego County The illness is a painful respiratory illness that can drag on for weeks if it’s not treated, reports NBC 7’s M.G. Perez. US & World Videos 2:41 Man killed in deputy shooting in Spring Valley; San Diego police investigating 3:27 Documentary-style play tells stories of homeless San Diegans in their words 0:22 San Diego PD investigating deputy-involved shooting in East County 2:15 San Diego County's first cannabis lounge nears completion 2:49 Mission Bay jet-ski rider who killed girl, 12, shows up late for sentencing