Not long before Christmas, as the pandemic was taking a devastating toll in rural Iowa, Rebecca Tinti was visiting some neighbors who had fallen...

The need for clarity on the safety and efficacy of China’s vaccines has taken on more urgency after Sinopharm revealed it had already vaccinated...

But Kyle Flack, an assistant professor of nutrition at the University of Kentucky, began to wonder a few years ago if this outcome was...

When Dr. Gbenga Ogedegbe began to research coronavirus infections among Black and Hispanic patients, he thought he knew what he would find. Infected Black...

With a rising tide of Covid-19 patients threatening to overwhelm hospitals, public health officials across the United States are reaching for a safety valve...

Facing mounting pressure about its role in the opioid crisis, McKinsey has taken the unusual step of acknowledging that its work with Purdue Pharma...

Erika Becerra was eight months pregnant when she learned she had tested positive for the coronavirus. Almost immediately after she got the result, her...

First it was toilet paper. Then it was meat.Now, it’s antacids.People searching online or in stores for over-the-counter tummy soothers are finding that they...

Vaccines testing safety and dosage Vaccines in expanded safety trials Vaccines in large-scale efficacy tests Vaccines approved for early or limited use Vaccines approved for full use Vaccines testing...

WASHINGTON — The coronavirus vaccine made by Pfizer and BioNTech provides strong protection against Covid-19 within about 10 days of the first dose, according...

Preparing for my granddaughter’s first solo sleepover at my apartment bore a certain resemblance to welcoming a head of state or some other V.I.P.At...

At age 50, he listens to his own advice. Dr. DeHart volunteers with international medical teams in Vietnam, typically two trips a year. He...

In the United States, collecting immunization data has been a purely state-by-state effort. A push two decades ago to develop a federal registry imploded...

The new Covid-19 vaccines from Pfizer and Moderna seem to be remarkably good at preventing serious illness. But it’s unclear how well they will...

The federal contract signed in July called for Pfizer to deliver 100 million doses by March at a cost of $19.50 a dose. It...

People born with birth defects have a higher risk for cancer throughout life, researchers report.It has been generally known that major birth defects are...