U.S. Shatters Prior Record Of New Covid Cases Over Past 7 Days


The seven-day average of new infections in the U.S. reached a record high of around 282,000 as of Wednesday morning, according to data compiled by Johns Hopkins University, just days after the country reported a record number of daily infections on Monday.

People wait in line at a testing site to receive a Covid-19 PCR test on December 28 in Washington, … [+] DC. (Photo by Anna Moneymaker/Getty Images)

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Key Facts

As of Wednesday morning, the seven-day average of new infections totaled 282,117, eclipsing the previous record of around 250,000 on January 11, according to Johns Hopkins University’s Covid data tracker. 

Comparing the U.S. seven-day average with other countries most affected by new Covid cases, the U.K. and France set new records this week, peaking at around 115,000 and some 88,000, respectively, according to Johns Hopkins University.

Key Background

As the omicron variant fuels new Covid cases, studies have suggested that it is less likely to cause hospitalization than previous variants. The omicron variant was projected to make up 58.6% of Covid cases in the country as of last week, according to the CDC’s revised projection. Previously, the heavily mutated variant had been projected to account for some 73% of infections.

Crucial Quote

President Joe Biden told governors on Monday that omicron “should be a source of concern but it should not be a source of panic.” He went on to emphasize the importance of getting fully inoculated against Covid-19 and receiving a booster shot, saying, “If you’re fully vaccinated and got your booster shot, you’re highly protected.”


After finding transmission drops after the onset of the infection, the CDC on Monday updated its guidance, reducing the self-isolation period for people with Covid-19 but who don’t have symptoms to five days from 10.

Big Number

441,278. That’s the number of new Covid cases reported in the U.S. on Monday, which shattered the previous highest single-day total of new infections of 294,015 set on January 8. In terms of new daily infections by state, California reported the highest figure of around 86,000 cases, followed by around 40,000 in New York and 32,000 in North Carolina, according to Johns Hopkins University’s Covid data tracker.

Further Reading

With Omicron Case Rates Surging, Policy Makers Focus on Hospitalizations Instead (Wall Street Journal)

The U.S. record for daily cases is broken as an Omicron ‘tidal wave’ grows. (New York Times)

U.S. CDC estimates Omicron variant to be 58.6% of cases, revises projection (Reuters)

Covid: US reports record infections as Europe’s Omicron cases also soar (BBC)

CDC Cuts Recommended Covid Isolation Time From 10 To 5 Days (Forbes)

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