By Manas Mishra and Michael Erman (Reuters) – An advisory panel to the U.S. Centers for Disease Control and Prevention (CDC) on Thursday voted to recommend COVID-19 vaccine booster shots for children ages 5 to 11, at least five months after completing their primary vaccination course. The advisers considered data from the CDC that showed protection from two doses starts to wane over time, and that boosters in older age groups improved efficacy against severe COVID and hospitalizations. CDC Director Rochelle Walensky still needs to sign off on the committee’s recommendation, but signaled at the…