In a Texas town, 75% of a prison's population tested positive for Covid-19. Hear what it's like inside the hardest-hit federal prison in the US. CNN's Drew Griffin reports.

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Covid-19 precautions need to stay consistent -- whether or not the numbers are coming down -- because the more Americans move around the more the virus does too, a health expert said.

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A salmonella outbreak caused by onions is expanding and has infected 640 people from 43 states. At least 85 of them have been hospitalized, the Centers for Disease Control and Prevention said.

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An antibody treatment designed to protect against coronavirus could be available as early as this fall -- but only for a fraction of the millions of Americans who might benefit from the treatment. CNN's Sara Murray reports.

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Dr. Anthony Fauci says there are five or six things to keep the spread of the coronavirus in check. And he says he will continue to repeat those public health principles "until I'm exhausted" because "those things work."

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CNN's Randi Kaye reports on the problems with the rapid coronavirus testing and what contributes to the inaccurate results.

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The Covid-19 pandemic is moving into younger populations, health experts said Thursday, with cases skyrocketing among children, teens and young adults.

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CNN has received many great questions from parents and their children about coronavirus. As a father of three girls, CNN Chief Medical Correspondent Dr. Sanjay Gupta knows how important it is to talk to your kids about this virus, and make sure they understand what's happening during the pandemic. Parents, if your son or daughter has a question for Sanjay, submit it below and he will answer as many as he can.

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Terri Wilder became dreadfully ill in 2014, falling asleep immediately each day after she got home from work and laying in bed all weekend, recovering just enough to drag herself to work the next week.

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Doctors may have been right to be concerned that people with heart problems were avoiding the ER due to Covid-19, according to a new study published Friday.

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Covid-19 patients not showing symptoms may have similar amounts of the novel coronavirus in their bodies as those who do show symptoms, according to a new study from South Korea. This would suggest that they could still spread the virus to others.

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Since the coronavirus pandemic began in March, religion in the US has seemed a helter-skelter mix of legal disputes and defiant pastors, altered rites and sanctuaries as sites of contagion.

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