More than 200,000 coronavirus cases now reported in the US

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People set up hospital beds in an emergency field hospital to aid in the COVID-19 pandemic in Central Park on March 30, 2020 in New York City. The field hospital is the work of the Samaritan’s Purse organization and will add 68 hospital beds specifically equipped to serve as a respiratory care unit and to be administered by Mt. Sinai Hospital in Manhattan. Photo by Stephanie Keith/Getty Images.

WASHINGTON (CNN) — The number of US coronavirus cases surged by more than 14,000 in just a few hours Wednesday as the death toll topped 4,400.

As of Wednesday afternoon, more than 205,000 people in the United States have been infected, and at least 4,564 have died.

Now, more data showing people without symptoms are fueling the spread has top officials rethinking whether the general public should be wearing masks.

New data from Iceland shows 50% of those who tested positive said they were asymptomatic.

In the US, an estimated 25% of coronavirus carriers have no symptoms, said the director of the Centers for Disease Control and Prevention.

“Information that we have pretty much confirmed now is that a significant number of individuals that are infected actually remain asymptomatic. That may be as many as 25%,” CDC Director Dr. Robert Redfield told NPR.

To prevent further spread, the top infectious disease expert in the US says health officials are reconsidering guidance on face masks.

Dr. Anthony Fauci said he would “lean towards” recommending that the general public wear face masks “if we do not have the problem of taking away masks from the health care workers who need them.”

“We’re not there yet, but I think we’re close to coming to some determination,” Fauci said.

If federal officials recommend widespread use of face masks, it would be a stark reversal from recommendations by the World Health Organization and the CDC, who have said face masks should be worn only by health care workers, those who are sick, and those who are taking care of someone sick.

The organization is “continuing to study the evidence” about whether the general public should use masks during the coronavirus pandemic, WHO Director-General Tedros Adhanom Ghebreyesus said during a media briefing in Geneva, Switzerland, on Wednesday.

The WHO recommends the masks for sick people and caregivers, he said.

“This is still a very new virus, and we are learning all the time. As the pandemic evolves, so does the evidence, and so does our advice,” he said.

3 tips for wearing a mask correctly

US Surgeon General Dr. Jerome Adams had consistently recommended the public not wear masks, saying they can cause more harm than good.

But this week, new information about asymptomatic spread could change public guidelines, Adams said. He offered several tips on how wear masks correctly.

“If you’re going to wear a face covering, please try not to touch your face. Please be very, very careful about making sure you don’t touch your face,” Adams told NBC’s “Today” show Wednesday.

Adams has said people often touch their faces trying to adjust masks, thereby increasing the risk of infection.

“No. 2: If you’re going to wear a face covering, please save the N95 masks for health care workers who need them,” Adams said. N95 respirators must be properly fitted to ensure there’s no open space, and people with no medical training might wear them incorrectly.

“No. 3: Wearing a face covering does not mean that you don’t have to practice social distancing,” he said.

“The most important thing you can do is stay at home right now. And we don’t want people to feel like, ‘OK I’m covering my face, so now it’s OK for me to go out in public.'”

A major argument against the widespread use of masks is that health care workers don’t have enough.

“We have a massive global shortage,” Dr. Mike Ryan, executive director of the WHO health emergencies program, said. “Right now, the people most at risk from this virus are frontline health workers who are exposed to the virus every second of every day. The thought of them not having masks is horrific.”

In many cities, doctors and nurses are falling sick with or dying from coronavirus. This is doubly tragic because fewer health care workers are able to take care of the public.

So some people are making their own masks. JOANN Fabrics and Craft Stores released a video tutorial on how to make face masks.

The height of the coronavirus pandemic is yet to come

White House officials predict more than 100,000 people could die from coronavirus — and that’s if the public practices social distancing guidelines perfectly.

By mid-April, when the virus is projected to hit the country the hardest, as many as 2,000 Americans could die each day, a model cited by the White House shows.

Health officials saying measures working to curb the spread of the virus are the only hope for keeping the death toll in the thousands and not millions.

If Americans don’t follow social distancing guidelines, worst-case modeling projects up to 2.2 million people could die, said Dr. Deborah Birx, the White House coronavirus response coordinator.

More than two dozen states have issued stay-at-home orders, and the federal government extended social distancing guidelines to last through April 30.

Birx said there’s no easy way to fix the coronavirus pandemic. It’s up to the public to help stop the spread.

“There is no magic bullet,” she said. “There is no magic vaccine or therapy. It’s just behaviors. Each of our behaviors translating into something that changes the course of this viral pandemic over the next 30 days.”

Why worry about coronavirus when the flu has killed more people?

Evidence shows social distancing helps

About 80% of the US population now have stay-at-home orders, according to a CNN count based on various state, county and city orders.

Some say that’s not enough and are calling for a national shelter-in-place order, especially because the deadly virus is twice as contagious as the flu.

But Wednesday, Vice President Mike Pence said he doesn’t think a national order is necessary.

“I’ve been very inspired by the way over the last 15 days, people in states that have very little outbreak of coronavirus are still putting into practice the guidelines for America,” he said.

Health officials say social distancing efforts seem to be paying off, including in Washington state’s King County — the country’s first coronavirus epicenter.

“We are looking at reductions in person-to-person contact that have progressively improved and have led us to a point where we are making a very positive impact,” said Dr. Jeff Duchin, the public health officer for Seattle and King County.

In hard-hit New York, a CNN analysis shows the day-to-day average of case increases in the past week was 17% — a major decrease from 58% for the previous seven-day period.

An a large-scale study found that early interventions, such as social distancing and severe restrictions on people’s movement, have already saved tens of thousands of lives across Europe.

Scientists at imperial College London studied interventions in 11 European countries and concluded that they “have together had a substantial impact on transmission.”

The researchers estimate as of March 31, “interventions across all 11 countries will have averted 59,000 deaths.”

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