During a speech reassuring Americans that the pandemic could be nearing its end in this country, President Joe Biden on Thursday promised that all U.S. adults will be eligible for a coronavirus vaccine by May 1. His...

Novavax’s COVID-19 Vaccine Highly Effective in Clinical Trials A COVID-19 vaccine developed by Novavax was 96% effective against the original strain of the coronavirus in preventing mild, moderate and severe cases of illness and 100% effective against...

A single measles outbreak cost one U.S. county $3.4 million, a new government study estimates, underscoring the societal burden of inadequate vaccination rates. The outbreak occurred in Clark County, Wash., in early 2019, and ultimately infected 71...

Does COVID-19 help create heart problems, or are people with preexisting heart issues simply more prone to getting the illness? The issue remains unclear, with a new British study finding that people with heart problems appear to...

Cotton masks provide better protection against the new coronavirus than those made with synthetic fabrics, researchers say. In a new study, investigators tested different mask fabrics under conditions that mimic the humidity of a person’s breath in...

Could whether your governor is a Democrat or a Republican have influenced how many coronavirus cases and deaths your state has seen during the pandemic? Yes, claim researchers who discovered a strong link between the two —...

In medieval Europe, when childbirth was highly perilous for both mother and child, women and those caring for them used various talismans to try to influence a safe delivery. Not many of those relics have survived, but...

A healthy, plant-based diet could reduce your risk of stroke by up to 10%, researchers say. This type of diet includes greater amounts of foods like vegetables, whole grains and beans, and fewer less-healthy foods like refined...

Yes, you really are seeing double — more twins are being born now than ever before. There are a number of reasons why, according to a new study. Since the 1980s, twin births rose by a third...

Social distancing during the COVID-19 pandemic appears to have prevented an anticipated outbreak of a rare polio-like syndrome in children, researchers report. Acute flaccid myelitis (AFM) is a spinal condition that causes weakness in the limbs, impairs...