More than 300 million COVID-19 vaccines doses have now been administered in the U.S., the Centers for Disease Control and Prevention confirmed Sunday.

Why it matters: The latest CDC figures show that 41.9% of the U.S. population has been fully vaccinated against the coronavirus and 51.5% has received at least one dose.

• The vaccination milestone comes as the U.S. has seen new infections fall to the lowest level since March 2020, when the pandemic began.

By the numbers: As of Sunday, 301,638,578 COVID-19 doses have been administered across the U.S., according to the CDC.

• The seven-day average of new daily infections reported has dropped from 65,053 on April 1 to 12,780 as of June 5, per the CDC reported.
• The seven-day average of new deaths from the coronavirus confirmed in a single day has fallen from 681 to 367 during the same period.