Biden more bullish on vaccines, open to 1.5M daily shot goal

President Joe Biden speaks during an event on American manufacturing, in the South Court Auditorium on the White House complex, Monday, Jan. 25, 2021, in Washington. (AP Photo/Evan Vucci)

FILE - In this Jan. 23, 2021, file photo, registered Nurse Shyun Lin, left, gives Roberto Fisher, 72, the first dose of the COVID-19 vaccine at a pop-up vaccination site in the William Reid Apartments in the Brooklyn borough of New York. Coronavirus deaths and cases per day in the U.S. dropped markedly over the past couple of weeks but are still running at alarmingly high levels, and the effort to snuff out COVID-19 is becoming an ever more urgent race between the vaccine and the mutating virus. (AP Photo/Mary Altaffer, Pool, File)

WASHINGTON — President Joe Biden on Monday appeared to boost his goal for coronavirus vaccinations in his first 100 days in office, suggesting the nation could soon be injecting 1.5 million shots on an average per day.