As Florida restaurants and bars enjoyed their first full day of operation without Covid-19 restrictions in months, the mayor of Miami warned that the governor's decision to fully reopen such establishments and to limit local governments' ability to enforce their own restrictions could have d…
Since the beginning of 2020, when we first started hearing about a new coronavirus, eventually dubbed SARS-CoV-2, our understanding of what it is, how it infects people, who it infects and how we can protect ourselves have all evolved as our knowledge has grown.
Since the pandemic officially began in March, we've been told staying home is the best way to avoid catching Covid-19. And it is. But life in confinement can cause physical ailments on its own.
The US could see an explosion of Covid-19 cases as fall and winter set in, one expert says, joining a chorus of health officials who have warned about the challenges of the coming months.
The news about cancer is good for now, but the future doesn't look as bright, according to a report published this week by the American Association for Cancer Research.
A new nationwide study of the blood of more than 28,000 dialysis patients may help answer one of the big questions surrounding the pandemic: how many people have antibodies to SARS-CoV-2, the novel coronavirus?
At least 41 people are sick in 10 different states after a salmonella outbreak that has been linked to dried wood ear mushrooms, the Centers for Disease Control and Prevention said.
At this point in the coronavirus pandemic, with more than 32 million infected and more than 980,000 dead worldwide, describing this time as "unprecedented" may sound like nails on a chalkboard.
Covid-19 vaccinations could start as early as November or December, Dr. Anthony Fauci, the nation's leading infectious disease expert, said Friday.
The US Food and Drug Administration issued a warning Thursday over "serious problems with high doses" of the common over-the-counter allergy medication Benadryl.
The US Food and Drug Administration warned Thursday that silver dental fillings, known as dental amalgam, may cause health problems for some high-risk groups.
Countries should not ease coronavirus lockdown restrictions until they meet five criteria -- and many nations are not even close, according to a new analysis published in The Lancet medical journal.
The median age of people diagnosed with coronavirus keeps getting lower. In May, the median age of confirmed cases was 46. By July, that number had dropped to 37.
The accidental discovery of penicillin by Alexander Fleming in 1928, when mold contaminated one of his petri dishes, changed the course of modern medicine, with antibiotics key to the decline of many diseases over the course of the 20th century.
Dr. Anthony Fauci said Thursday that even an effective Covid-19 vaccine won't replace the need for other public health measures, such as wearing a mask, social distancing and washing hands.
President Donald Trump claimed Wednesday that the White House could override the US Food and Drug Administration if the agency released tougher standards for the authorization of a Covid-19 vaccine, casting such a move as "political."
The British government is exploring the possibility of clinical trials in which volunteers are deliberately exposed to coronavirus to test the effectiveness of vaccine candidates, the UK Department for Business, Energy, and Industrial Strategy (BEIS) revealed Wednesday in a statement.
It's more bad news for America's growing waistline: Excess belly fat is associated with a higher risk of early death from any cause, regardless of how much overall body fat you have, a new study finds.
If you're one of the growing numbers of women who use weed while pregnant, think twice: A new study found it may increase psychotic-like behaviors in children.
People who have had heart attacks can boost their chances of long-term survival by returning to normal levels of sexual activity, a new study shows.
Johnson & Johnson's Covid-19 vaccine candidate begins Phase 3 trials in the United States today. Trials for the single-dose vaccine will include up to 60,000 adult participants at nearly 215 sites in the US and internationally.
More than 200,000 Americans have lost their lives to Covid-19 since the start of the pandemic, and the country is now transitioning into a new season with worrisome trends.
The times we live in are a lot. It can be all too easy to throw your hands up and just veg out on the couch — all the while knowing you'll be sore afterward.
The US Food and Drug Administration is considering new rules for authorization for a Covid-19 vaccine, according to three sources familiar with the situation -- and calculations show these rules would push an authorization beyond Election Day.
Black and Hispanic people are twice as likely to test positive for Covid-19 as White people even after adjusting for outside factors, says a new study.
Exercise, a healthy diet and not smoking or drinking can help you live years longer even if you're struggling with other chronic medical conditions, according to a new study.
The US Centers for Disease Control and Prevention has issued its first guidance for the holidays, including Halloween, amid the raging coronavirus pandemic in a new posting on its website Monday night.
With the US surpassing 200,000 deaths due to Covid-19, a group of pediatric infectious disease specialists is calling for vaccine trials for children.
As we head into autumn in the Northern Hemisphere and temperatures start to cool down, the pandemic can't change that it's still the season of leaves falling and light sweaters and jackets, with the morning and twilight feeling crisp but not too chilly. Not yet.
Valentine Nzengung has spent the vast majority of his professional career working with materials that most people avoid—explosives.
Older racial and ethnic minority residents in nursing homes and assisted living communities in the United States and their caregivers have been hit hardest by the Covid-19 pandemic, according to new research by the University of Rochester Medical Center.
The US Centers for Disease Control and Prevention on Monday abruptly reverted to its previous guidance about how coronavirus is transmitted, removing language about airborne transmission it had posted just days earlier.
As most US states head in the wrong direction with coronavirus, the Centers for Disease Control and Prevention has retracted key information about how the virus spreads.
The US Centers for Disease Control and Prevention updated guidance on its website to say coronavirus can commonly spread "through respiratory droplets or small particles, such as those in aerosols," which are produced even when a person breathes.
Pine-Sol's original cleaner has been approved by the US Environmental Protection Agency (EPA) as a product that can kill the coronavirus on frequently used surfaces.
Despite making progress after a difficult summer, most of the US is heading in the wrong direction again as the nation closes in on 200,000 Covid-19 deaths.
After successfully tamping down the first surge of infection and death, Europe is now in the middle of a second coronavirus wave as it moves into winter -- raising questions over what went so wrong.
While I was hiking recently with my family, a woman came toward us from the other direction, wearing a standard face mask. As we neared, she jumped to the edge of the trail and then pointed at us. Firmly, but not rudely, she asked us to keep our distance while we passed.
Hoping to slow an outbreak of Covid-19 cases among its students, a small college in Rhode Island announced a stay-at-home order this week after more than 80 students tested positive for the virus in two days.
The young woman and her sister had traveled across Europe just as the coronavirus pandemic was taking off there, visiting Milan and Paris before heading to London.
President Donald Trump claimed Friday there will be enough coronavirus vaccines for every American by April -- a claim that doesn't match any timeline given by the federal government's health agencies, private researchers or even the companies making the vaccines.
Pregnant women with Covid-19 who are hospitalized may be at an increased risk of giving birth prematurely, a new study from the US Centers for Disease Control and Prevention suggests.
The US Centers for Disease Control and Prevention's website has updated, yet again, guidelines for testing people who do not have symptoms of coronavirus.
A controversial update to US Centers for Disease Control and Prevention's coronavirus testing guidance last month was not written by CDC scientists and was posted online before it had undergone the normal scientific review process, two sources confirm to CNN.