Short Wave - How Many People Transmit The Coronavirus Without Ever Feeling Sick?

It's called asymptomatic spread. Recently a scientist with the World Health Organization created confusion when she seemed to suggest it was "very rare." It's not, as the WHO attempted to clarify.

NPR science reporter Pien Huang explains what scientists know about asymptomatic spread, and what might have caused the WHO's mixed messages.

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Consider This from NPR - Isolation Causes Loneliness. What Else Can It Do To Our Bodies?

There's a cost to staying home, too. Julianne Holt-Lunstad, a neuroscientist and social psychologist at Brigham Young University, explains the toll that social isolation can take.

It's been exactly three months since President Trump issued the first national guidelines for social distancing, including pausing nursing home visitors.

NPR's Ashley Westerman recently checked in on her 100-year-old grandfather. Paul Westerman's wife of 76 years is in hospice care. He's alone, except for the nurses in his veteran's home.

Plus NPR's Chris Arnold checks in on a Boston hair stylist going back to work.

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This episode was recorded and published as part of this podcast's former 'Coronavirus Daily' format.

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Short Wave - We Don’t Know Enough About Coronavirus Immunity

Does getting the coronavirus once make you immune to it or could you get it again? Many are looking to antibody tests for answers. The logic is: if I have antibodies for the coronavirus, I must be immune.

Well, turns out ... it's complicated, as Katherine Wu writes for the Smithsonian Magazine. We invited her onto the show to explain.

Between episodes, you can catch up with Maddie on Twitter @maddie_sofia. Plus, we always want to hear what's on your mind — coronavirus or otherwise. Tell us by emailing shortwave@npr.org.

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Consider This from NPR - There Is No ‘Second Wave.’ The U.S. Is Still Stuck In The First One

Nationwide, numbers were never trending downward in any big way. Now in some states that are reopening, they are going up. Oregon and Arizona are two of those places. Each state is taking a different approach.

Testing is more available than ever before. Some cities are urging people who don't feel sick to get a test, just as a precaution. But WPLN's Blake Farmer reports some insurance companies won't pay for the cost of a test unless it's "medically necessary."

Due to the pandemic, a lot of states are making it easier to vote by mail. NPR's Miles Parks says this new process could mean waiting a lot longer for elections results come November.

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Short Wave - The Fight Over A Weedkiller, In The Fields And In The Courts

A federal court recently ordered farmers to stop spraying one of the country's most widely used herbicides, dicamba. NPR's food and agriculture correspondent Dan Charles tells us the ruling has turned the world of Midwestern agriculture upside down. Then the Environmental Protection Agency came out with its own order.

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Consider This from NPR - What We Don’t Know About Potential Vaccines; Protest Safety

All week we've been hearing about rising cases in states around the country. The stock market reacted on Thursday, in part after Federal Reserve officials predicted the unemployment rate will still be above 9% at the end of the year.

There's a lot we don't know about the White House's public-private partnership to develop a vaccine, Operation Warp Speed. NPR's Sydney Lupkin reports on a winnowing field of vaccine candidates.

And during a pandemic, the most vulnerable newborns require even more protection.

Plus, NPR's Maria Godoy shares tips to minimize the risks of COVID-19 for yourself and others if you've been out protesting.

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Short Wave - Coronavirus ‘Long-Haulers’ Have Been Sick For Months. Why?

That's what they call themselves: long-haulers. They've been sick for months. Many have never had a positive test. Doctors cannot explain their illness any other way, and can only guess at why the virus appears to be with them for so long.

Ed Yong of The Atlantic explains what might be going on, and why their experience mirrors that of other sufferers with chronic illnesses who battle to be believed. We also spoke with Hannah Davis, a long-hauler from New York City.

Read Ed's story on long-haulers here.

Read more about the long haulers' research group here, read their report here, and join their support group here.

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Consider This from NPR - Masks Are Even More Important Than We Thought

Many states that reopened a few weeks ago are seeing spikes in coronavirus cases and hospitalizations. In Arizona, officials say if cases continue to rise, they may have to be more aggressive about enforcing reopening protocols for businesses.

In major cities across Texas there are disparities in access to COVID-19 testing, resulting in less testing in black neighborhoods than white neighborhoods.

Dr. Atul Gawande spoke with NPR's Mary Louise Kelly about why face masks remain essential in dealing with the coronavirus and the efficacy of different masks.

To help with shortages of PPE, one volunteer group has used 3D printers at home to make nearly 40,000 NIH-approved face shields for health care workers and first responders.

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Short Wave - Spinosaurus Makes Waves

We chat with National Geographic Explorer and paleontologist Nizar Ibrahim about his team's discovery of the Spinosaurus, the first known swimming dinosaur. The years-long journey to uncover the fossilized remains is like something out of a movie, beginning with a mustached Moroccan man wearing white. Read more on National Geographic's website. Tweet Maddie your dinosaur facts @maddie_sofia. Plus, email the show your dinosaur-themed episode ideas at shortwave@npr.org.

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Consider This from NPR - Numbers Steady, Hundreds More Dead Each Day; The Cost Of Opening Schools

The numbers aren't really changing. 20,000 new cases a day, and more than 800 dead. Experts warn that by fall, in America, the death count could rise to 200,000.

Some members of the National Guard who were sent to Washington D.C. during the protests over the death of George Floyd have tested positive for the coronavirus. Dr. Anthony Fauci is concerned — but not surprised.

Many nursing homes banned all visitors and nonessential workers from their facilities to stop the spread of COVID-19. Some advocates and families say they want that ban to end.

A big unanswered question is whether it will be safe for public K-12 schools to reopen safely in the fall. The U.S. Senate Committee on Health, Education, Labor, and Pensions held a hearing on the topic Wednesday.

Plus, the Mall of America reopened after nearly three months.

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