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After months of gradual decline, vaccinations against Covid-19 are on the rise again.
Average daily doses increased each of the previous nine days through Thursday, the longest sustained increase in vaccinations since November 2021. Since March 30, vaccinations have increased from an average of around 200,000 injections per day to more of 450,000.
Adults ages 65 and older appear to be driving the vaccination push, according to an NBC News analysis of data from the Centers for Disease Control and Prevention.
The CDC last week allowed second boosters for those 50 and older, provided they had already received their first booster and were boosted more than four months ago. An analysis by NBC News showed that less than half of eligible people got their first reminders.
The CDC has yet to release specific data on the second recalls.
Vaccinations are up from a late March low of less than 180,000 injections per day, but are still well below the peak of 3.3 million injections set in April 2021. They are also well below the average of 1 million or more that the country tallied from November. from this year to January.
This is not the first time that booster doses have led to an increase in vaccination rates. Vaccinations increased last fall when boosters were first rolled out to eligible adults, as well as vaccinations for children aged 5 to 11.
Joe Murphy contributed.