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On April 24 some businesses reopened in Georgia, which is moving faster than other states to ease restrictions during the coronavirus pandemic. (Video: The Washington Post)

WHO says no evidence recovery prevents second infection as coronavirus deaths surpass 200,000 worldwide

The World Health Organization on Saturday said there was not enough evidence that a person who has recovered from covid-19 is immune from a second infection.

This comes as the known coronavirus death toll worldwide surpassed 200,000, though the true figure is unknown.

Here are some significant developments:

Sign up for our free coronavirus newsletter | Mapping the spread of the coronavirus: Across the U.S. | Worldwide

Coronavirus: What you need to know

Covid isolation guidelines: Americans who test positive for the coronavirus no longer need to routinely stay home from work and school for five days under new guidance planned by the Centers for Disease Control and Prevention. The change has raised concerns among medically vulnerable people.

New coronavirus variant: The United States is in the throes of another covid-19 uptick and coronavirus samples detected in wastewater suggests infections could be as rampant as they were last winter. JN.1, the new dominant variant, appears to be especially adept at infecting those who have been vaccinated or previously infected. Here’s how this covid surge compares with earlier spikes.

Latest coronavirus booster: The CDC recommends that anyone 6 months or older gets an updated coronavirus shot, but the vaccine rollout has seen some hiccups, especially for children. Here’s what you need to know about the latest coronavirus vaccines, including when you should get it.