Although the updated Covid-19 vaccines don't offer complete protection against a trip to the hospital or urgent care, they do offer important defense against the virus, particularly for seniors, two new studies show.
The US Centers for Disease Control and Prevention says it's investigating an apparent increase in invasive group A strep infections, but the rise may indicate a return to typical pre-pandemic levels.
Diplodocids were a family of dinosaurs with long necks and, often, even longer tails — some species' tails reached 50 feet in length. They were wide-ranging, but especially flourished in what's now the western US around 152 million years ago.
More than a third of US parents say that vaccinating children against measles, mumps and rubella should be an individual choice and not a requirement to attend public school, even if that may create health risks, according to survey data published Friday by the Kaiser Family Foundation.
A new study finds that nearly 6% of the estimated 130 million people who go to US emergency rooms every year are misdiagnosed, which translates to about 1 in 18 patients getting the wrong diagnosis.
Just when you thought it was safe for a holiday visit with your Auntie Mary and her fragile health, RSV and the flu reared their heads -- and now Covid-19 numbers are creeping up again.
HPV-related head and neck cancers are dramatically rising for men aged 40 to 50. The HPV vaccine might prevent future generations of men from developing it.
Humans weren't the only ones that lost their lives after being exposed to an aromatherapy spray linked to fatal cases of a rare tropical disease. The disease also killed a family's pet raccoon in Texas.
Adaptive surfer Meira Va'a Nelson lost her mother as a young child and was paralyzed by a car accident by the time she was a teen. Now she inspires others to tackle life's big challenges.
Scientists have discovered that female snakes have a clitoris — a previously overlooked or dismissed part of their anatomy (and that of many other animals), according to a new study.
A NASA spacecraft is gearing up for the first of a series of close encounters with the most volcanic place in the solar system. The Juno spacecraft will fly by Jupiter's moon Io on Thursday, December 15.
A small proportion -- 14.1% -- of all diagnosed cancers in the United States are detected by screening with a recommended screening test, according to a new report.
Sports reporter Grant Wahl died of a rupture of an ascending aortic aneurysm with hemopericardium -- an accumulation of blood in the sac around his heart -- his wife, Dr. Céline Gounder announced on Wednesday. The aneurysm was slowly growing and had gone undetected, she wrote in a statement on Substack.
John Lites was one of the first police officers to respond to a 911 call from Mother Emanuel African Methodist Episcopal Church in Charleston, South Carolina, on June 17, 2015, when a white gunman murdered nine Black people attending a Bible study.
In the United States, approximately 658 million Covid-19 vaccine doses have been administered since they were first distributed exactly two years ago Wednesday.
Now that some children 6 months to 5 years old can get the new bivalent Covid-19 booster, CNN Medical Analyst Dr. Leana Wen is here to answer questions from parent and guardians. What are possible side effects? What if kids had Covid-19 already?
