States look for more Covid-19 vaccine doses as the nation's death toll nears 400,000 CNNC.D.C. Warns the New Virus Variant Could Fuel Huge Spikes in Covid-19 Cases The New York TimesOPINION: COVID-19 Vaccine's Chaotic Early Rollout Echoes Past Inequities : Shots - Health News NPRStates adding Covid-19 vaccination sites, but governors complain the feds need to give them more doses msnNOWNew York Looks to Move Past Covid-19 Vaccine Rollout’s Troubled First Weeks The Wall Street JournalView Full Coverage on Google News