CNN Health

Plague, one of the deadliest bacterial infections in human history, caused an estimated 50 million deaths in Europe during the Middle Ages when it was known as the Black Death.

Earlier this month, my husband picked up the phone and learned his 92-year-old father had been taken to the hospital that morning, feeling sick and short of breath.

Honey may be a better treatment for coughs and colds than over-the-counter medicines, a new study has found.

Australia has secured a deal with the drugmaker AstraZeneca to supply a potential Covid-19 vaccine to its entire population free of charge, the government announced Tuesday, becoming the latest country to lock in supplies of the drug should trials succeed.

High blood pressure or hypertension during pregnancy appears to be associated with having "more bothersome" menopausal symptoms -- such as hot flashes, sleep disturbances and psychological symptoms -- later in life, according to a new study.

"UNC has a clusterf**k on its hands."

Feeling off-kilter with so many unknowns in the world today? In Part I of this weekly series, we prepared ourselves for a peaceful night's rest with a five-minute yoga routine for better sleep. Now, this week's routine will bring some balance to your physical body so that you're feeling stronger, more centered, more mentally focused and ready to conquer the day.

Deadly infectious diseases are threatening to regain a foothold in many countries, fueled by Covid-19 and the unprecedented effort to contain this ongoing global pandemic.

On your mark. Get set. Go!

Faster tests combined with a "robust" immune response against Covid-19 could soon mean a slower spread, researchers said.

Students are returning to college campuses across the US, and some schools are already detecting cases of coronavirus. Here's what some schools are reporting.

Look into your pantry -- have you packed it with canned foods since the start of the pandemic?

Getting the flu vaccine this year is important, experts at the World Health Organization said during a news briefing in Geneva on Tuesday.

The first coronavirus vaccine trial in the US is moving along at a good clip, but needs more minorities to enroll if it is to succeed, officials tell CNN.

Brazil is in the grips of a deadly virus, with the world's second highest number of Covid-19 cases and deaths in the world -- and yet the health ministry continues to be run on an interim basis by an army general with no medical experience.

Black newborn babies in the United States are more likely to survive childbirth if they are cared for by Black doctors, but three times more likely than White Babies to die when looked after by White doctors, a study has found.

Off-campus activities caused a surge in Covid-19 cases among students at the University of North Carolina at Chapel Hill, despite precautions the school took to limit the virus' spread, Chancellor Kevin Guskiewicz said.

It was ground zero in the coronavirus pandemic and underwent the world's first -- and arguably strictest -- lockdown.