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University of Hong Kong scientists claim to have the first evidence of someone being reinfected with the virus that causes COVID-19.

The president called the treatment “a breakthrough,” a top health official called it “promising” and other health experts said it needs more study. Get the latest.

As Trump's campaign manager during the stretch run of the 2016 race, Kellyanne Conway was the first woman to successfully steer a White House bid. Now Trump faces a deficit in the polls as the Republican National Convention begins on Monday.

Each week, the Associated Press fact-check team answers your questions about coronavirus and how it's changing our lives. Find COVID-19 facts here.

With heated debate over mail delays, the House approved legislation Saturday that would reverse recent changes in U.S. Postal Service operations and send $25 billion to shore up the agency ahead of the November election.

Another weekend, another grim milestone. Here's a roundup of COVID-19's unceasing spread in our state, nation and world. See the maps and graphs that show where and how fast. 

CDC Director Robert Redfield expects daily deaths across the country to start falling but says Middle America is "stuck" and needs to follow mitigation guidelines.

The U.S. economy continues to struggle to recover as jobless claims rise, while Sen. Bill Cassidy (R-La.) announced he has tested positive for COVID-19.

The Trump administration calls teachers "critical infrastructure workers." Also: Weekly jobless claims back above 1 million, airline drops flights to 15 cities, and more.

Months into the pandemic, scientists still are struggling to unravel the myriad ways the coronavirus attacks — and finding hints in surprising places.

In other virus developments: Pool parties in Wuhan; Senate GOP bill cuts $1,200 payments; Target, Lowe's and Home Depot all report sales surges.

Senate Republican leaders are preparing a slimmed-down virus relief package of roughly $500 billion. Plus, Notre Dame and Michigan State switch to remote learning. Here's the latest.

In other virus news: WHO says planet nowhere near herd immunity; US home construction climbing back; MyPillow CEO confirms White House meeting on oleandrin.

Officials at universities around the U.S. scrambled on Monday to deal with new COVID-19 clusters at the start of fall semester, with some already suspending in-person classes.

In other coronavirus news: Georgia governor now allowing local mask mandates; France deploys riot police to enforce masks; and a COVID-19 Q&A.

Get ready for another pandemic week: See for yourself how and where COVID-19 coronavirus is spreading, then view helpful interactive guides to staying safe and well.