Coronavirus updates: Herd immunity by fall 'ambitious,' says surgeon general nominee

In 44 states, the seven-day average of new cases dropped over 10%.

ByMorgan Winsor, Erin Schumaker, and Emily Shapiro
Last Updated: January 23, 2021, 1:19 PM EST

A pandemic of the novel coronavirus has now infected more than 98.7 million people worldwide and killed over 2.1 million of them, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.

Latest headlines:

Here's how the news developed this week. All times Eastern.
Jan 23, 2021, 1:19 PM EST

New deaths, cases on decline

Week-to-week comparisons show new deaths and new cases are on the decline nationwide, according to an internal Department of Health and Human Services memo obtained by ABC News.

Thirty-one states and territories are in a downward trajectory of new cases, according to the memo. Twenty states and territories are in an upward trajectory of new cases while five jurisdictions are at a plateau.

A medical worker stands outside of a mobile COVID-19 testing lab in Brooklyn borough of New York, Jan. 22, 2021.
Spencer Platt/Getty Images

The U.S. saw 1,318,915 new cases from Jan. 16 to Jan. 22 -- a 20.3% decrease from the previous week.

There were 21,442 deaths reported from Jan. 16 to Jan. 22, which was a 7.7% decrease from the week before.

The national test-positivity rate also dropped, falling from 11.9% to 10.4% in week-to-week comparisons, the memo said.

ABC News’ Josh Margolin contributed to this report.

Jan 23, 2021, 12:15 PM EST

Indoor dining returns to Chicago

Indoor dining resumed in Chicago on Saturday as the city moved to “Tier 1” of reopening “due to recent progress in the fight against COVID-19,” Mayor Lori Lightfoot said.

Customers sit inside an outdoor dining tent of a restaurant in Chicago, Nov. 13, 2020.
Bloomberg via Getty Images

Indoor dining is limited to 25 people or 25% capacity with tables six feet apart.

All bars and restaurants must close at 11 p.m.

"We have long pushed for the careful resumption of limited indoor dining, and I am thrilled that we have made enough progress … to reopen our businesses and bring workers back," Lightfoot said in a statement, according to ABC Chicago station WLS.

Jan 23, 2021, 10:40 AM EST

North Carolina identifies its 1st case of UK variant

North Carolina has identified its first case of the coronavirus’ United Kingdom variant, state health officials said.

The variant was confirmed in an adult in Mecklenburg County.

The U.S. has 195 confirmed cases of the variant across 21 states, according to North Carolina’s Department of Health and Human Services.

ABC News’ Josh Hoyos contributed to this report.

Jan 22, 2021, 8:21 PM EST

Cases falling week-over-week in most states: COVID Tracking Project

COVID-19 cases and hospitalizations are going down across the country.

In 44 states, the seven-day average of new cases has dropped over 10% since last week, The COVID Tracking Project reported Thursday. Daily cases are rising in only one state -- Virginia.

In 24 states, the number of current hospitalizations decreased by more than 10% from a week ago, it found. Everywhere else in the nation, hospitalizations are relatively flat.

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