Vaccines delivered via a painless, throw-away patch could one day eliminate the need for needle-and-syringe flu injections, researchers said Wednesday after completing a preliminary trial.

A cholera outbreak in Yemen, which has claimed 1,400 lives in two months, shows tentative signs of slowing as fatality rates drop by half, the World Health Organization said on Tuesday.

Sri Lanka has suffered a record 200 deaths from dengue fever this year, the health minister said Monday, blaming a garbage disposal crisis in Colombo.

The United States announced Thursday a halt to all imports of fresh beef from Brazil, the world's second-largest producer, citing "recurring" concerns after large shipments failed food safety tests.

A cholera outbreak in war-ravaged Yemen could infect more than 300,000 people by the end of August, up from nearly 193,000 cases today, the United Nations said Friday.

The Republican majority in the U.S. Senate is about to reveal a new health care bill less brutal than that proposed by the House of Representatives, The Washington Post reported Wednesday.

A famine that was declared in parts of South Sudan four months ago is over, UN aid agencies said Wednesday, but extreme hunger has increased to its highest levels ever across the war-torn country. 

Researchers unveiled new data Tuesday that they said would help better assess breast or ovarian cancer risks in women, identifying the advantages of early detection and lifelong monitoring.

Yoga has connected the world with India, Prime Minister Narendra Modi said Wednesday, as he rolled out his mat along with millions of others across the globe to celebrate the ancient practice.

Enthusiasts across India rose at the crack of dawn, many braving monsoon showers, to mark the third International Yoga Day.

An Indian girl who made international headlines when a rare condition caused her head to swell to more than twice the normal size has died, days before she was to undergo corrective surgery.