Scientists Report Creating the First Embryo With Human and Non-Human Primate Cells

In a ground-breaking experiment, researchers have successfully created the first human-monkey chimera. The work, published in the journal Cell, describes the the first embryo containing both human and monkey cells that was cultured for 20 days. Led by Juan Carlos Izpisua Belmonte, the study represents the culmination of decades of work in understanding early embryo … Read more

Pause on J&J Vaccination in U.S. Continues as CDC Committee Asks for More Data

After federal health agencies in the U.S. recommended a temporary halt on using the Johnson & Johnson-Janssen COVID-19 vaccine, the Centers for Disease Control and Prevention (CDC) on April 14 convened a 13-member Advisory Committee on Immunization Practices (ACIP) to review the six reports of unusual blood clots occurring in people vaccinated with the shot. … Read more

My Family Wants to Visit This Summer. Is Travel Safe Yet?

Welcome to COVID Questions, TIME’s advice column. We’re trying to make living through the pandemic a little easier, with expert-backed answers to your toughest coronavirus-related dilemmas. While we can’t and don’t offer medical advice—those questions should go to your doctor—we hope this column will help you sort through this stressful and confusing time. Got a … Read more

FDA and CDC Recommend Pausing COVID-19 Vaccination With J&J-Janssen Shot While They Investigate Blood Clot Risks

The U.S. Food and Drug Administration and Centers for Disease Control and Prevention are recommending that vaccinations with the Johnson & Johnson/Janssen COVID-19 vaccine be temporarily halted while the agencies review reports of blood clots among vaccinated people. On April 13, the two government agencies issued a joint statement announcing a recommended pause as federal … Read more

Black Women Are Fighting to Be Recognized as Long COVID Patients

It took five years of chronic pain, nausea, fuzzy thoughts and a cruel mixture of fatigue and insomnia for Wilhelmina Jenkins to be diagnosed with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). But even after she received that diagnosis, in 1988, she faced her fair share of doubters—not because her symptoms didn’t meet the bar for diagnosis, … Read more

Two New Studies Show That the U.K. COVID-19 Virus Variant Is Not Linked to Severe Disease—But Questions Remain

In two studies published in The Lancet Infectious Diseases and in The Lancet Public Health, respectively, scientists provide comforting news about a new strain of the COVID-19 virus that emerged from the U.K. last December. It has since become the dominant virus in the region, accounting for nearly all of the new COVID-19 cases there—and … Read more

COVID-19 Patient Receives Lung Transplant From Living Donors

TOKYO — Doctors in Japan announced Thursday they have successfully performed the world’s first transplant of lung tissue from living donors to a patient with severe lung damage from COVID-19. The recipient, identified only as a woman from Japan’s western region of Kansai, is recovering after the nearly 11-hour operation on Wednesday, Kyoto University Hospital … Read more

Two New Studies Point to How AstraZeneca’s COVID-19 Vaccine Is Linked to Blood Clots

In two papers published in the New England Journal of Medicine (NEJM), researchers in Europe provide the most detailed explanation yet for what is behind the clotting side effects reported among people getting vaccinated with the AstraZeneca COVID-19 shot. In both papers, researchers found that people getting the vaccine had higher levels of antibodies directed … Read more

Exclusive: CDC Director Dr. Rochelle Walensky Unveils Agency Initiative to Address Racism in Health

If the COVID-19 pandemic has taught us anything, it is that health is a commodity bestowed readily on some and denied to so many others. Within months of the COVID-19 virus reaching U.S. shores, it became clear that the disease hit certain groups harder, contributing to more severe illness and higher hospitalization and death rates … Read more