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School districts across America are navigating exactly how to resume classes this fall, just as a new study warns that many students and teachers live in homes with people at high risk for severe COVID-19.

"For many school districts, decisions over whether and how to reopen will likely be revisited throughout the school year … [and] evidence regarding the health risks of adults...

FRIDAY, Sept. 18, 2020 (Healthday News) -- New details surfaced on Thursday on an unexplained neurological condition that struck a volunteer who was participating in AstraZeneca's coronavirus vaccine trial.

In an internal safety report obtained by CNN, company officials describe how a healthy 37-year-old woman "experienced confirmed transverse myelitis" after receiving her seco...

Yet another rapid COVID-19 test has proven its mettle in spotting infection with the new coronavirus, this time in a British study.

The lab-in-a-cartridge testing device -- which can be performed at bedside, doesn't require a laboratory, and can be performed in cartridges smaller than a mobile phone -- was tested on 386 National Health Service staff and patients in Britain.

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There are "substantial" rates of coronavirus infection in dogs and cats whose owners have COVID-19, new research shows.

The researchers also found that, in several cases, infected pets had COVID-like respiratory symptoms at the time their owners were infected.

SARS-CoV-2 has been reported to infect a number of animals, but the risks, susceptibility and symptoms in different ...

The final statistics are in for America's last flu season, and the news is good: Record low rates of influenza were reported as cases plummeted during the early months of the coronavirus pandemic.

Why? Researchers from the U.S. Centers for Disease Control and Prevention believe the social distancing measures put into place across the country last spring kept more than the new coronavi...

THURSDAY, Sept. 17, 2020 (Healthday News) -- The details of a plan to rapidly deliver a future coronavirus vaccine to Americans were unveiled by federal officials on Wednesday.

Two of the key parts of the plan are to begin distributing a vaccine with 24 hours of any approval or emergency authorization and offering the vaccine for free, The New York Times reported.

Of...

As the coronavirus pandemic wears on, it's clear that not everyone's on the same page when it comes to preventing the risk of infection.

Lots of people wear masks, try to maintain social distancing and avoid large gatherings. But plenty of others forgo a mask or wear it on their chin, go to busy bars and attend social gatherings, like weddings.

Both sides think they're righ...

COVID-19 may hit pregnant women especially hard, U.S. health officials warned in two reports.

In one report, scientists from the U.S. Centers for Disease Control and Prevention urge pregnant women and health care providers to be aware of the risks for severe COVID-19, which include serious birth outcomes.

Diagnosing COVID-19 during childbirth hospitalizations is important ...

Eyeglasses keep you from tripping over footstools and walking into walls, but they also might have a side benefit to spark envy among those with 20/20 vision.

People who wear glasses every day might be less susceptible to COVID-19 infection, a Chinese study reports.

Only about 6% of 276 patients hospitalized for COVID-19 at Suizhou Zengdu Hospital in China needed to wear...

WEDNESDAY, Sept. 16, 2020 (Healthday News) -- A single infusion of an experimental drug dramatically lowers levels of coronavirus in the bodies of newly infected patients and cuts their chances of hospitalization, the drug's maker reported Wednesday.

Eli Lilly's announcement did not include detailed data and hasn't been peer-reviewed or published yet, The New York Times report...

Using the donated blood plasma of COVID-19 survivors to treat patients in the throes of severe coronavirus illness has met with some controversy. But a small new study suggests it could have real merit.

The study of 39 patients with severe COVID-19 who were treated at one New York City hospital found the treatment appeared to bump up survival, researchers said.

Plasma is th...

TUESDAY, Sept. 15, 2020 (Healthday News) -- In a sign that Americans are becoming more wary about the safety of a new coronavirus vaccine, a new poll shows a majority of adults don't trust what President Donald Trump has said on vaccine development.

More than half (52%) of adults said they don't trust the president's vaccine comments, the NBC News/Survey Monkey poll found,...

Failure to "flatten the coronavirus curve" in the United States could lead to even more deaths than previously believed, a new study claims.

The researchers concluded that every six additional intensive care unit (ICU) beds or seven additional non-ICU beds filled by COVID-19 patients leads to one additional COVID-19 death over the following week.

"A spike in hospitalization ...

Are infected-but-healthy children major "silent spreaders" of the new coronavirus? New research out of northern Italy, once a COVID-19 hotspot, suggests they might not be.

Rigorous COVID-19 testing of children and adults admitted to a hospital in Milan for reasons other than coronavirus found that just over 1% of kids tested positive for SARS-CoV-2, compared to more than 9% o...

MONDAY, Sept. 14, 2020 (Healthday News) -- Oxford University has announced that final-stage testing of a coronavirus vaccine it is developing with drug maker AstraZeneca will restart following a pause last week after a serious side effect showed up in a volunteer.

"The independent review process has concluded and following the recommendations of both the independent safety review comm...

COVID-19 can damage the kidneys and increase patients' risk of needing kidney dialysis, researchers report.

The study authors also warned that doctors should prepare for a significant rise in chronic kidney disease cases due to the pandemic.

For the study, the investigators analyzed data from nearly 4,000 COVID-19 patients, aged 18 and older, hospitalized at the Mount Sinai ...

It's not clear how COVID-19 outbreaks at three Salt Lake City child day care centers began, but a new report finds that 12 infected youngsters enrolled at two of the facilities easily passed SARS-CoV-2 to at least 12 family members.

In one case, an infected child with no symptoms of COVID-19 transmitted the illness to their mother, who became so sick she needed to be hospitalized.

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There may have been cases of COVID-19 in Los Angeles as early as last December, months before the first known U.S. cases were identified, a new study claims.

Researchers analyzed data from more than 10 million patient visit records for University of California, Los Angeles (UCLA) Health outpatient, emergency department and hospital facilities. They compared data from the period betwee...

FRIDAY, Sept. 11, 2020 (Healthday News) -- New research suggests that COVID-19 is far from benign when it strikes young adults: Once they are hospitalized, 1 in 5 wind up in the ICU and many need ongoing medical care even after they are free of the virus, scientists report.

The Harvard University doctors reviewed more than 3,200 coronavirus cases where adults aged 18 to 34 needed hosp...

Cat lovers, be aware: New research suggests that COVID-19 may be more common in cats than previously thought.

Scientists analyzed blood samples taken from 102 cats between January and March 2020 in Wuhan, China, after the world's first known outbreak of COVID-19 began in that city.

Fifteen of the cats had COVID-19 antibodies in their blood, and 11 of those cats had neutraliz...

You're feeling pretty darned sick -- headache, fever, fatigue, a cough -- but your COVID-19 test came back negative.

What do you do now?

Well, chances are good that you don't have COVID-19 if that's what the test says, according to experts.

Labs that are testing for COVID-19 rely on what's called a PCR test, a slow and complex molecular scan that looks for t...

Infection control measures implemented in response to the coronavirus pandemic kept transmission of the virus to patients within a Boston hospital at nearly zero, according to a new study.

The measures at Brigham and Women's Hospital included: masking of all patients, staff and visitors; dedicated COVID-19 units with airborne infection isolation rooms; personal protective equipment in...

Relaxation of face mask requirements in restaurants, coffee shops and bars could make those venues prime areas for transmission of the new coronavirus, research shows.

The new study compared the behaviors of people diagnosed with COVID-19 and those without such diagnoses. It uncovered one clear difference: Newly ill people without any known contact with a person with COVID-19 were al...

THURSDAY, Sept. 10, 2020 (Healthday News) -- Just weeks into the fall semester, universities and colleges in all 50 states are now struggling to contain the spread of coronavirus on their campuses.

More than 40,000 cases of COVID-19 have been reported among students, staff and faculty nationwide, CNN reported. That number is likely higher due to a lag from schools that update t...

The coronavirus pandemic silenced choirs around the globe, but researchers in Sweden say it may be safe to sing with others if you take precautions.

"There are many reports about the spreading of COVID-19 in connection with choirs singing. Therefore, different restrictions have been introduced all over the world to make singing safer," said Jakob Löndahl, an associate professor o...

Explorer Christopher Columbus, long blamed for bringing syphilis to Europe from the New World, may have gotten a bad rap, new research suggests.

Researchers have uncovered traces of the bacteria that causes syphilis in archaeological human remains from Finland, Estonia and the Netherlands that predate Columbus' explorations. The findings were recently published in the journal Curre...

More than 500,000 U.S. children had been diagnosed with COVID-19 as of early September, with a sizable uptick seen in recent weeks, a new report reveals.

There were 70,630 new child cases reported between Aug. 20 and Sept. 3, 2020. That brings the total to 513,415 cases -- a 16% increase over two weeks, according to state-by-state data compiled by the American Academy of Pediatric...

The world is still waiting for a safe, effective coronavirus vaccine. But new research now suggests that billions of people may already be using a crude vaccine of sorts: face masks.

The theory -- and it remains largely a theory -- is that by filtering out airborne coronavirus droplets and thereby lowering the dose of SARS-CoV-2 a person inhales, infections have much less chance of pr...

WEDNESDAY, Sept. 9, 2020 (Healthday News) -- Final testing of a leading coronavirus vaccine candidate was paused by drugmaker AstraZeneca on Tuesday after a trial volunteer experienced a serious adverse reaction.

The company did not release specifics on the case, and whether the reaction was caused by the vaccine or was coincidental is still unclear, The New York Times reported...

Key differences in immune system function may help determine why severe, life-threatening COVID-19 tends to target older men, scientists say.

A new study found that among elderly people and in men, especially, certain factors may lead to a weaker immune system response against infection with SARS-CoV-2, the virus that causes COVID-19.

That could help explain high rates of in...

While adults face raised odds for hospitalization with COVID-19, a new study shows that the risk for kids infected with SARS-CoV-2 is about equal to that seen with influenza.

The researchers found that kids with COVID-19 or the seasonal flu have similar rates of hospitalization, admission to intensive care units (ICUs) and ventilator use.

But the average age of children hosp...

Long-term heart and lung damage can occur in COVID-19 patients, but it may ease with time, according to a new study.

A second study found that COVID-19 patients recover faster if they begin rehabilitation as soon as possible after getting off a respirator or leaving intensive care.

"The bad news is that people show lung impairment from COVID-19 weeks after discharge; the goo...

TUESDAY, Sept. 8, 2020 (Healthday News) -- In a sobering illustration of the toll the coronavirus pandemic took this summer, tallies now show the number of Americans who have died of COVID-19 jumped from just under 100,000 to over 186,000 between Memorial Day and Labor Day, while cases more than quadrupled, to over 6.2 million.

As troubling as those statistics are, public health exper...

Placing a hospitalized COVID-19 patient in a face down position to ease breathing -- or "proning" -- has steadily gained traction as a pandemic lifesaver. But a small new study warns that it may lead to permanent nerve damage.

The concern is based on the experience of 83 COVID-19 patients who were placed face down while attached to a ventilator. Once they improved, all began post-COVI...

There's evidence that low blood levels of the "sunshine vitamin" -- vitamin D -- may increase a person's risk of infection with the new coronavirus, researchers say.

"Vitamin D is important to the function of the immune system and vitamin D supplements have previously been shown to lower the risk of viral respiratory tract infections," said study lead author Dr. David Meltzer. He's ch...

FRIDAY, Sept. 4, 2020 (Healthday News) -- The chief adviser for the White House vaccine program said Thursday it was "extremely unlikely, but not impossible" that a vaccine could be available by the end of October.

Speaking with National Public Radio, Dr. Moncef Slaoui said that the U.S. Centers for Disease Control and Prevention's guidance to states to prepare for a vaccine as...

New research may have people with asthma breathing a little easier: Doctors found the airway disease doesn't raise the risk of being hospitalized due to COVID-19.

The researchers also noted that people with asthma weren't more likely than people without it to need a ventilator to help them breathe.

"A lot of people with asthma think they have a predisposition to severe COV...

Face masks and hand-washing are a good start, but to protect your kids from the coronavirus you'll need to up your game on the road, too, a leading pediatricians' group says.

There are a number of things parents should do to protect children from COVID-19 infection when they're traveling in cars or using other types of transportation, according to the American Academy of Pediatrics (A...

You tested positive for COVID-19 and dutifully quarantined yourself for two weeks to avoid infecting others. Now, you're feeling better and you think you pose no risk to friends or family, right?

Not necessarily, claims a new study that shows it takes roughly a month to completely clear the coronavirus from your body. To be safe, COVID-19 patients should be retested after four weeks o...

THURSDAY, Sept. 3, 2020 (Healthday News) -- Colleges across America struggled to control coronavirus outbreaks on campus, even as Dr. Anthony Fauci warned on Wednesday that sending students home after an outbreak is "the worst thing you could do."

Universities continue to be hit with alarming infection rates, and many have already switched to online learning, the Washington Post

The U.S. Centers for Disease Control and Prevention is telling the nation to prepare for distribution of a COVID-19 vaccine this fall.

The CDC has notified public health officials across all 50 states that limited vaccine doses might be available by late October, and that they should prepare now as to how the vaccine will be routed to health care workers and other high-risk groups, ac...

In a finding that should encourage scientists who are racing to develop coronavirus vaccines, a new study out of Iceland suggests that immunity to the disease may not be as fleeting as first thought.

Among 30,000 Icelandic residents who were tested for antibodies to COVID-19, researchers discovered the antibodies stayed in people's systems for at least four months, the study found....

Severe COVID-19 is rare in kids and teens, and death is exceptionally rare, occurring only in those with serious underlying conditions, according to a new study.

The study, published Aug. 27 in the BMJ, also showed that Black children have a disproportionately high rate of severe COVID-19 illness.

For the study, the researchers analyzed data from 651 children and teen...

For people hoping to swap their face masks for a plastic shield, a new study delivers some bad news: They are not a good alternative.

In experiments that visualized the likely travel patterns of "respiratory droplets," researchers found that plastic face shields are poorer barriers than standard masks. The shields, which sit away from the face and have gaps at the bottom and sides, wo...

A new study of 13 U.S. medical centers finds that 6% of staff tested positive for prior infection with the new coronavirus, with almost half (44%) having no idea they'd ever contracted SARS-CoV-2.

In the study, blood antibody testing of more than 3,200 doctors, nurses and other hospital staff was conducted between early April and mid-June. About 1 in 16 of the tests came up po...

The U.S. Department of Agriculture (USDA) announced on Monday that it would extend its flexible free school meals program through the fall, to help keep millions of kids fed as the coronavirus pandemic continues to hold the country in its grip.

The program, which allowed parents and caregivers to collect free meals for their kids at any school this summer, was set to expire at the sta...

Cellphone activity could be used to monitor and predict spread of the new coronavirus, researchers say.

They analyzed cellphone use in more than 2,700 U.S. counties between early January and early May to identify where the phones were used, including workplaces, homes, retail and grocery stores, parks and transit stations.

Between 22,000 and 84,000 points of publicly availab...

New insight into how pregnant women can pass the Zika virus to their fetus could point to ways to prevent it, researchers say.

Babies infected with Zika in the womb can have abnormally small heads (microcephaly) and other birth defects.

In this study, researchers examined placenta samples collected from pregnant women during the peak of Brazil's 2015 to 2016 Zika outbreak. S...

As the number of coronavirus cases in the United states passed the dubious milestone of 6 million on Sunday, a new report shows COVID-19 is now spreading at a faster rate in children and teenagers than among the general public.

The troubling data, from the American Academy of Pediatrics, comes just as schools and universities around the country are reopening for fall classes.

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The new rapid COVID-19 test approved last week is probably not the most reliable option for determining whether someone is infected.

But it's cheap and it's fast, and if used correctly, it could be the basis of a screening strategy to keep Americans safe as they return to school and work, infectious disease experts say.

The BinaxNOW COVID-19 Ag Card produced by Abbott Labora...