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These so-called super spreaders aren't very common, but if they are engaged in activities like loud speaking or singing, their viral emissions can increase by 1 to 2 orders of magnitude, the researchers said.

COVID-19 'Super Spreaders' Quickly Fill Room With Virus — But Masks Help

MONDAY, July 27, 2020 (HealthDay News) -- Face masks can help prevent the spread of COVID-19 among folks trapped in a room with an infected "super spreader," a new Swiss study claims.

Most infected people with a typical COVID viral load don't flood the air with coronavirus-infected respiratory droplets, and the risk of catching the virus from them tends to be low, estimates show.

But a severely infected person who's coughing frequently can fill a poorly ventilated room with as many as 7.4 million copies of the coronavirus for every cubic meter of air, according to researchers Michael Riediker and Dai-Hua Tsai, from the Swiss Centre for Occupational and Environmental Health in Winterthur.

Read the full HealthDay story.

If you're going out to eat at a restaurant, this is what experts recommend you do to reduce your risk of exposure to COVID-19.

Your Guide to Safer Dining During the Pandemic

FRIDAY, July 17, 2020 (HealthDay News) -- Restaurant dining used to be a routine affair, but many now dread the thought of chowing down in a roomful of bare-faced strangers.

So as state-level lockdowns wax and wane, how safe is it to dine at your favorite restaurant?

There's some risk, but with proper precautions you should be able to enjoy your meal with a reduced risk of exposure to the coronavirus, experts say.

Read the full HealthDay story.

Genetically derived from the virus, the mRNA vaccine essentially mimics a natural COVID-19 infection, tricking the body into producing antibodies that hopefully will protect against future infections.

Moderna COVID-19 Vaccine 'Promising' After Early Trial

TUESDAY, July 14, 2020 (HealthDay News) -- A leading COVID-19 vaccine contender has passed its early safety trial with flying colors.

The vaccine, created by Moderna, produced an immune response in all 45 healthy participants who received two shots 28 days apart, according to findings reported July 14 in the New England Journal of Medicine.

The vaccine (named mRNA-1273 for now) uses messenger RNA, or mRNA, to trigger an immune response to the COVID-19 coronavirus in patients.

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Experts share their thoughts on if there are ways for hospitals to allow COVID-19 patients to somehow see their loved ones.

Do COVID-19 Patients Really Have to Die Alone?

MONDAY, July 13, 2020 (HealthDay News) -- Hospitals have put in place strict no-visitation rules meant to prevent the spread of COVID-19, but these precautions have led to another heart-wrenching dilemma.

People are dying alone, gasping their last breath without any family or friends there to provide comfort.

Now, some experts are arguing this shouldn't be the case, and that hospitals need to come up with plans that allow dying people the emotional solace of a loved one as they pass.

Read the full HealthDay story.

See what experts have to say about the toll of the COVID-19 pandemic on mental health.

Will the COVID-19 Pandemic Leave a Mental Health Crisis in Its Wake?

MONDAY, July 6, 2020 (HealthDay News) -- Stressed from home-schooling your kids? Lonely from lockdown? Worried about a sick loved one isolated in a nursing home? Worried you might lose your job?

The ongoing COVID-19 pandemic is affecting everyone's mental health in ways small and large, and experts are concerned that for many, today's anxiety will become a tidal wave of mental health problems in the years ahead.

The pandemic is adding to what already was an underrecognized mental health crisis in the United States, according to Dr. Don Mordecai, national mental health and wellness lead at Kaiser Permanente in Oakland, Calif.

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Sky-high medical bills for COVID-19 treatment could ruin many Americans financially, unless either their health care company or the government intervenes.

Another COVID Plague: Big Surprise Medical Bills for Survivors

MONDAY, June 22, 2020 (HealthDay News) -- Seattle resident Michael Flor's heart nearly stopped when he received a $1.1 million dollar hospital bill for months of COVID-19 treatment.

The 181-page bill listed nearly 3,000 itemized charges -- and didn't include other items likely to make Flor's bill even higher, the 70-year-old told Time.

But one fact provided Flor some solace: Kaiser Permanente, the health care company through which he receives his Medicare and Medicare Advantage coverage, has announced it will wave most out-of-pocket costs related to COVID treatment.

Read the full HealthDay story.

These knowledge gaps lead to behavior that could put certain groups at risk of infection, researchers said.

How Well Do Americans Know the Facts About COVID-19?

THURSDAY, June 18, 2020 (HealthDay News) -- Months into a global pandemic, some groups of Americans simply don't know enough about COVID-19 to protect themselves and others against the highly infectious respiratory virus, a new study reports.

Most folks have a pretty good grasp about how COVID-19 spreads and the three main symptoms (fever, cough, difficulty breathing) that should prompt you to get tested for the virus, said lead researcher Dr. Marcella Alsan, a professor of public policy at the Harvard Kennedy School.

"We found that generally people had good information," Alsan said. "The averages were high. But there were some pretty profound disparities that were important to highlight."

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New guidelines from the CDC issued Friday offer advice when deciding whether to go out and whether to attend a large event or gathering.

Most Americans, Plus the CDC, Say Vigilance Needed Against Coronavirus

FRIDAY, June 12, 2020 (HealthDay News) -- Americans need to stay on their guard against COVID-19 even as their communities reopen, health officials warned Friday.

The U.S. Centers for Disease Control and Prevention released two documents posing considerations that people should take into account when deciding whether to go out to eat, hit the gym or attend a friend's barbecue.

"I know people are eager to return to normal activities and ways of life," CDC Director Robert Redfield said during a media briefing. "However, it's important that we remember the situation is unprecedented and the pandemic has not ended."

Read the full HealthDay story.