CNN Health

It's been an extraordinary week in America, as anger, pain and heartbreak have swept across the country over the killing of yet another black man at the hands of police.

The federal government's "Operation Warp Speed" vaccine program, with its emphasis on quick production and testing of experimental coronavirus vaccines, is fueling fears already stirred up by vaccine skeptics, two experts said Friday.

Covid-19 isn't the only crisis threatening our nation right now. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to epidemiologist Dr. Camara Jones about the serious impact of racism on public health. Jones shares guidance for protesters to help reduce the spread of coronavirus.

The World Health Organization is now calling for nations to encourage the general public to wear fabric masks in areas where there continues to be intense spread of the novel coronavirus -- and for all health workers and caregivers to wear medical masks throughout their shift while in clinical areas.

Researchers in the United Kingdom have put an abrupt stop to an arm of their Covid-19 trial that involves the antimalarial drug hydroxychloroquine.

Americans are putting their health at risk while trying to protect it.

Practice social distancing, wear a mask, wash your hands (for at least 20 seconds) -- the recommendations to prevent coronavirus are a familiar refrain to most Americans.

If you've marched in any recent protests, you may want to consider getting tested for the coronavirus.

Medics who care for protesters say they fear targeting as they treat demonstrators wounded by rubber bullets, tear gas and attacks by police. Like field medics in a war zone, protest medics in the US support protesters exercising their First Amendment rights.

A group of health and medical colleagues has penned an open letter to express their concern that protests around the United States could be shut down under the guise of coronavirus health concerns. The letter -- which went on to draw more than 1,200 signatures -- focuses on techniques to reduce harm to people protesting racial injustice.

Preparing to jump out of the second-floor window and into the river below, I felt the acute sense that my anxiety was about to be washed away.

In a little over a week, Americans have gone from taking their first hesitant steps outside again to marching in tightly packed crowds in cities all over the country.

Ten people who were home sick with Covid-19 may have found relief with a common over-the-counter heartburn remedy, according to a study published Thursday.

In a week when the attention of Americans abruptly shifted from a paralyzing coronavirus pandemic to outrage over the deaths of black people in police custody, they learned that while George Floyd survived one threat, he was unable to live through the other.

Racism is a health problem "that takes a toll on people of color and contributes to the development of other chronic diseases," according to doctors studying health inequities.

High blood pressure may double the risk of death from coronavirus.

Two influential medical journals retracted separate coronavirus studies Thursday over concerns about the data used in both studies -- data that came from the same international registry.

The director of the National Institutes of Health said Thursday he's concerned that vaccine "skepticism" could hinder the effort to immunize the country against Covid-19.

Covid-19 is not mutating, health experts say, but that doesn't mean it's not dangerous.