Resurgences

In China, an official in the northeastern city of Tonghua, where residents are barred from leaving their homes amid a strict lockdown, apologized to residents who said they had not been receiving enough food.
A Berlin hospital was forced to lock down and put its entire staff in quarantine, after 20 cases of the new British variant of the coronavirus were found among patients and hospital workers.
Officials in New Zealand confirmed a case of the South African variant in a returned traveler after she left hotel quarantine.
New York City will delay opening some mass vaccination sites, Mayor Bill de Blasio said, as supply remains low.

Here’s a roundup of restrictions in all 50 states.
What else we’re following

Mexico’s president, Andrés Manuel López Obrador, has contracted the coronavirus.
California lifted lockdown restrictions in large parts of the state.
The E.U. escalated a war of words with AstraZeneca over the company’s sudden announcement on Friday that it would have to drastically cut the number of vaccine doses delivered to the bloc and its 27 members.
China’s vaccines were supposed to deliver a geopolitical win that showcased the country’s scientific prowess and generosity. Instead, in some places, they have set off a backlash.
Ukraine reopened schools, restaurants and movie theaters after testing showed the coronavirus was spreading less rapidly after just one week of a strict lockdown.
President Biden is vowing to reopen schools quickly, but with union opposition mounting, his push is facing serious obstacles.
Some patients could be living with the aftereffects of Covid-19 for years to come. Recent research into another persistent, mysterious disease might help us understand how to treat them.
Arizonans seeking vaccination are mistakenly calling an 8-year-old girl in Missouri.