(CNN)– Children who received last season’s updated Covid-19 vaccine had a substantially lower risk of emergency and urgent care visits related to the virus, according to a CDC report. The vaccine was 76% effective for healthy children 9 months to 4-years-old. It was 56% effective for ch ildren ages 5 to 17. The CDC says the shot added protection even for kids with past infections or earlier vaccines. Categories: News Tags: CDC, Center for Disease Control and Prevention, U.S. Center for Disease Control and Prevention ...read more read less