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Virus review: First COVID-19 vaccine tested in US poised for final testing
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Virus review: First COVID-19 vaccine tested in US poised for final testing

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The first COVID-19 vaccine tested in the U.S. revved up people’s immune systems just the way scientists had hoped, researchers reported Tuesday — as the shots are poised to begin key final testing.

“No matter how you slice this, this is good news,” Dr. Anthony Fauci, the U.S. government’s top infectious disease expert, told The Associated Press.

The experimental vaccine, developed by Fauci’s colleagues at the National Institutes of Health and Moderna Inc., will start its most important step around July 27: A 30,000-person study to prove if the shots really are strong enough to protect against the coronavirus.

But Tuesday, researchers reported anxiously awaited findings from the first 45 volunteers who rolled up their sleeves back in March. Sure enough, the vaccine provided a hoped-for immune boost.

Those early volunteers developed what are called neutralizing antibodies in their bloodstream — molecules key to blocking infection — at levels comparable to those found in people who survived COVID-19, the research team reported in the New England Journal of Medicine.

“This is an essential building block that is needed to move forward with the trials that could actually determine whether the vaccine does protect against infection,” said Dr. Lisa Jackson of the Kaiser Permanente Washington Research Institute in Seattle, who led the study.

There’s no guarantee but the government hopes to have results around the end of the year — record-setting speed for developing a vaccine.

In other developments:

  • Facing eight federal lawsuits and opposition from hundreds of universities, the Trump administration on Tuesday rescinded a rule that would have required international students to transfer or leave the country if their schools held classes entirely online because of the coronavirus pandemic.
  • Vice President Mike Pence insisted schools should reopen to in-person instruction for students, making the point in Louisiana as the state has reemerged as one of the nation's hot spots for the coronavirus only months after signs pointed to a successful outbreak response.
  • Florida surpassed its daily record for coronavirus deaths Tuesday and Britain and France announced a requirement for people to wear masks in public indoor spaces, amid rising global worries about a resurgence of the pandemic.
  • A Michigan sheriff’s deputy on Tuesday fatally shot a man suspected of stabbing another man who had challenged him about not wearing a mask at a convenience store, police said.
  • While Montana's rates of confirmed infections and deaths are much lower than other parts of the country, the outbreak at Canyon Creek Memory Care illustrates that even the most simple and common-sense preventive measures have sometimes gone unused during the pandemic, allowing the virus to sweep through elderly care facilities with devastating results.

Virus by the numbers

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WASHINGTON (AP) — Presidential adviser Ivanka Trump on Tuesday unveiled a White House-backed national ad campaign highlighting alternative ways to start a career, an initiative targeting students, mid-career workers and the millions of people who are now unemployed because of the coronavirus.

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