Governors in Washington, California, Florida and Texas are walking back some of their reopening plans as coronavirus cases rise in more than 30 states across the U.S., according to a CNBC analysis of Johns Hopkins University data. .

As of Sunday, new Covid-19 cases jumped by at least 5% over the previous week in 37 states across the country, based on a seven-day moving average, according to the Hopkins data.

The number of new daily Covid-19 cases across the nation jumped 42% over the past week to an average of about 38,200 on Sunday, based on a seven-day moving average.

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The state's seven-day average of new Covid-19 cases increased by more than 40% compared with a week ago, according to Hopkins data. .

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Texas' seven-day average of new Covid-19 cases increased by more than 52% compared with a week ago, according to the Hopkins data

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As of Sunday, the state's seven-day average of new Covid-19 cases more than doubled compared with a week ago, according to Johns Hopkins data

The state reported 3,858 additional cases on Sunday, a record high since the beginning of the outbreak, according to the state's department of health. 

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