McDonald's E. coli outbreak is over, CDC says - McDonald's E. coli outbreak cleared by CDC after investigation - E. coli outbreak linked to McDonald's onions is over: CDC - Bird flu confirmed in child for first time in US: CDC - National COVID-19 vaccination rate less than 20 percent: CDC survey - CDC warns of infection spread via body lice in homeless populations - Legionnaires' disease outbreak linked to cruise ship hot tubs, CDC says - Dementia-related deaths spiked during COVID lockdowns, says CDC - Lung infections increasing among children, CDC says - Hot tubs on cruise ships caused 'serious pneumonia' outbreak, CDC warns