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Expand chart
Data: CSSE Johns Hopkins University; Map: Andrew Witherspoon/Axios

New coronavirus infections rose over the past week in 19 states while holding steady nationwide.

The big picture: The U.S. is in a race to vaccinate as many Americans as possible before variants of COVID-19, fueled by quick reopening, can cause a new wave of rising caseloads.

By the numbers: The U.S. is now averaging about 53,000 new cases per day — essentially unchanged from last week’s average. Cases have been holding steady in this range for several weeks.

  • 19 states saw their average daily cases increase over the past week, and 14 states saw their numbers fall. The biggest improvements were in Arizona and Nevada, both of which saw new cases drop by about 45%.
  • Michigan, on the other hand, took the biggest step backward, with a 50% rise in new cases.

What we’re watching: The U.S. has administered an average of 2.5 million vaccine doses per day over the past week, according to Bloomberg’s vaccine tracker.

  • Vaccinations are growing a whole lot faster than cases, and will ultimately bring about the end of this pandemic. But it will require non-vaccine interventions — like masks and social distancing — to avoid another wave of rising infections while vaccines continue to roll out.

Each week, Axios tracks the change in new infections in each state. We use a seven-day average to minimize the effects of day-to-day discrepancies in states’ reporting.

Go deeper

Mar 25, 2021 - Health

AstraZeneca issues new Phase 3 data for COVID vaccine, confirming safety and efficacy

Photo: WPA Pool / Getty Images

AstraZeneca said Wednesday that a primary analysis of its Phase 3 trial data confirmed its coronavirus vaccine's "safety" with a 76% efficacy rate against symptomatic COVID.

Flashback: The company reported on Monday that a U.S. trial found its vaccine 79% effective, but faced backlash after NIAID said Tuesday it may have included information that provided an "incomplete view of the efficacy data" in its U.S. results.

Mar 24, 2021 - Health

Why the credibility of AstraZeneca's vaccine data matters

Illustration: Aïda Amer/Axios

The world desperately needs to be able to believe in AstraZeneca’s coronavirus vaccine, and the never-ending confusion over its clinical data isn’t helping.

The big picture: The extraordinary public dispute between the company and independent experts risks undermining patients' trust, experts said, even if the vaccine turns out to work well.