//States with low COVID-19 vaccine rates see cases rise as variants spread

States with low COVID-19 vaccine rates see cases rise as variants spread

The U.S. remains divided over coronavirus vaccines. Sixty-five percent of U.S. adults have received at least one dose, but four states, mainly in the South, rank at the bottom in infection rates. Rates are already rising in two of them, as the more contagious Delta variant starts to gain hold.