Roundup: U.S. pins hope on 2nd booster to protect certain groups from COVID-19

NEW YORK, April 4 (Xinhua) -- The United States is promoting a second booster vaccine to protect aged people and those with underlying conditions or chronicle illnesses, as the average daily COVID-19 deaths dropped to 649 nationwide on Sunday with a minus 41 percent change over 14 days.

NURSING-HOME DEATHS DOWN