Researchers Are Hatching a Low-Cost Coronavirus Vaccine

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A new vaccine for Covid-19 that is entering clinical trials in Brazil, Mexico, Thailand and Vietnam could change…

Covid-19 vaccines have alerted the world to the power of RNA therapies

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Molecular biology is not a popularity contest. But if it were, it would be a partisan one. The evolutionary biologists…

Testing and tracing could have worked better against covid-19

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The first outbreak of a novel disease is the opening scene of a whodunnit. In 1976, when more than two dozen members…

The US Has a Covid 'Scariants' Problem. Here's How to Fix It

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LATE LAST YEAR, while the US was plunged into its worst days of the pandemic, new, more insidious versions of…

We Still Don’t Know How Well Covid Vaccines Stop Transmission

THIS WEEK, THE US passed a grim milestone in the ongoing coronavirus crisis: 500,000 deaths, more than the number of…

Scientists Are Trying to Spot New Viruses Before They Cause Pandemics

Back in the summer, Dr. Michael Mina made a deal with a cold storage company. With many of its restaurant clients closed…

Tiny Blobs of Brain Cells Could Reveal How Your Mind Differs from a Neanderthal’s

In recent years, scientists have figured out how to grow blobs of hundreds of thousands of live human neurons that look…

Drugmakers Look for New Ways to Test Covid-19 Vaccines

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As more Covid-19 vaccines become available in the U.S., it is getting tougher to run large clinical trials to test a new…

The fast-spreading coronavirus variant is turning up in US sewers

A hyper-transmissible form of the coronavirus that causes covid-19 has been found in US sewer systems in California and…

How vaccines are made, and why it is hard

Nine vaccines against covid-19 have already been approved in one jurisdiction or another, with many more in various…

New Playbook for Covid-19 Protection Emerges After Year of Study, Missteps

Scientists are settling on a road map that can help critical sectors of the economy safely conduct business, from meatpacking…

As Virus Grows Stealthier, Vaccine Makers Reconsider Battle Plans

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As the coronavirus assumes contagious new forms around the world, two drug makers reported on Monday that their vaccines,…

Could a Smell Test Screen People for Covid?

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In a perfect world, the entrance to every office, restaurant and school would offer a coronavirus test — one with absolute…

SARS-CoV-2 is following the evolutionary rule book

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Natural selection is a powerful force. In circumstances that are still disputed, it took a bat coronavirus and adapted…

A New Study Questions Whether Masks Protect Wearers. You Need to Wear Them Anyway.

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Researchers in Denmark reported on Wednesday that surgical masks did not protect the wearers against infection with…

Why It’s a Big Deal If the First Covid Vaccine Is ‘Genetic’

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ON MONDAY MORNING, when representatives from the drug company Pfizer said that its Covid-19 vaccine appears…

Navy Research Confirms Need for Strict Coronavirus Testing Protocols

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Young, healthy people who contract the coronavirus are often asymptomatic, very rarely need hospital care and can transmit…

Why You Shouldn’t Worry About Studies Showing Waning Coronavirus Antibodies

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The portion of people in Britain with detectable antibodies to the coronavirus fell by roughly 27 percent over a period…

Should covid be left to spread among the young and healthy?

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As new waves of covid-19 sweep the world, lockdowns are back in fashion. This time, though, they are a harder sell.…

Your Coronavirus Test Is Positive. Maybe It Shouldn’t Be.

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Some of the nation’s leading public health experts are raising a new concern in the endless debate over coronavirus testing…

One Meeting in Boston Seeded Tens of Thousands of Infections, Study Finds

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On Feb. 26, 175 executives at the biotech company Biogen gathered at a Boston hotel for the first night of a conference.…

When covid-19 becomes a chronic illness

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The symptoms began in March, says Laura, a British woman in her mid-20s. At first covid-19 felt like a bad case of…

What Happens When COVID-19 Collides With Flu Season?

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Many questions remain about how flu season might affect the pandemic, and vice versa. For example, would coinfection with…

What if ‘Herd Immunity’ Is Closer Than Scientists Thought?

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We’ve known from the beginning how the end will arrive. Eventually, the coronavirus will be unable to find enough susceptible…

The Plan That Could Give Us Our Lives Back

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mina is a professor of epidemiology at Harvard, where he studies the diagnostic testing of infectious diseases. He…

Covid-19 Drug Research Is a Big Huge Mess

THE PANDEMIC DISEASE Covid-19 does much more to the human body than a typical respiratory virus. In addition to neurological…

Scientists May Be Using the Wrong Cells to Study Covid-19

BY NOW THERE’S little doubt about hydroxychloroquine: It doesn’t work for treating Covid-19. But…

How to Think Like an Epidemiologist

Don’t worry, a little Bayesian analysis won’t hurt you. There is a statistician’s rejoinder — sometimes offered…
Scientists Are Teaching the Body to Accept New Organs

I’d Need Evidence Before I Got a Covid-19 Vaccine. It Doesn’t Exist Yet.

Coronavirus vaccines are rapidly advancing through the development pipeline. The University of Oxford’s vaccine…
Scientists Are Teaching the Body to Accept New Organs

Covid Tests and Quarantines: Colleges Brace for an Uncertain Fall

This month, many colleges around the country plan to welcome back thousands of students into something they hope will resemble…
Scientists Are Teaching the Body to Accept New Organs

Your Coronavirus Antibodies Are Disappearing. Should You Care?

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Your blood carries the memory of every pathogen you’ve ever encountered. If you’ve been infected with the coronavirus,…
Scientists Are Teaching the Body to Accept New Organs

After Early Success, South Africa Buckles Under Coronavirus Surge

JOHANNESBURG—Lauded in the early stages of the pandemic for taking decisive steps to limit Covid-19 infections, South…
Scientists Are Teaching the Body to Accept New Organs

Who Is Immune to the Coronavirus?

Among the many uncertainties that remain about Covid-19 is how the human immune system responds to infection and what that…
Scientists Are Teaching the Body to Accept New Organs

Big Tobacco Joins Race for Coronavirus Vaccine

The race to find a vaccine for the novel coronavirus has an unlikely new entrant: tobacco companies. Lucky Strike owner British…
Can a Nice Doctor Make Treatments More Effective?

Can a Nice Doctor Make Treatments More Effective?

In the age of the internet, it’s easier than ever to pull together lots of information to find the best doctor. And if…
Is It Healthy to Study in Bed?

Is It Healthy to Study in Bed?

With extracurriculars, academics and a social life to maintain, goal-oriented students have to squeeze time from their hectic…
H.I.V. Is Reported Cured in a Second Patient, a Milestone in the Global AIDS Epidemic

H.I.V. Is Reported Cured in a Second Patient, a Milestone in the Global AIDS Epidemic

For just the second time since the global epidemic began, a patient appears to have been cured of infection with H.I.V.,…
An H.I.V. Cure- Answers to 4 Key Questions

An H.I.V. Cure: Answers to 4 Key Questions

At a scientific conference in Seattle on Tuesday, researchers reckoned with a day that many thought might never arrive.…
A second person has probably been cured of HIV

A second person has probably been cured of HIV

ESTABLISHED HIV infection is easy to control but impossible to cure. Or almost impossible. The exception seems to be Timothy…
Growing Pains for Field of Epigenetics as Some Call for Overhaul

Growing Pains for Field of Epigenetics as Some Call for Overhaul

Our genes are not just naked stretches of DNA. They’re coiled into intricate three-dimensional tangles, their lengths…
DNA Gets a New — and Bigger — Genetic Alphabet

DNA Gets a New — and Bigger — Genetic Alphabet

In 1985, the chemist Steven A. Benner sat down with some colleagues and a notebook and sketched out a way to expand the…
As Scientists Pinpoint the Genetic Reason for Lactose Intolerance, Unknowns Remain

As Scientists Pinpoint the Genetic Reason for Lactose Intolerance, Unknowns Remain

Researchers have identified the genetic basis of lactose intolerance, the inability of most adults in the world to digest…
Lactose Tolerance in East Africa Points to Recent Evolution

Lactose Tolerance in East Africa Points to Recent Evolution

A surprisingly recent instance of human evolution has been detected among the peoples of East Africa. It is the ability…
Should Scientists Toy With the Secret to Life?

Should Scientists Toy With the Secret to Life?

Scientists quickly condemned the Chinese researcher who altered the DNA of at least two embryos to create the world’s…
F.D.A. Panel Recommends New Depression Treatment

F.D.A. Panel Recommends New Depression Treatment

In a move that may clear the way for the first new treatment in years for depression, an expert panel recommended on Tuesday…
The Patient Had Bone Cancer. The Diagnosis Arrived 240 Million Years Too Late.

The Patient Had Bone Cancer. The Diagnosis Arrived 240 Million Years Too Late.

Certainly the patient never knew where the hip pain came from, or why its left leg stopped working. The diagnosis arrived…
Searching for the Genetic Underpinnings of Morning Persons and Night Owls

Searching for the Genetic Underpinnings of Morning Persons and Night Owls

Early to bed and early to rise is a maxim that’s easy to follow for some people, and devilishly hard for others. Now,…
Which Allergens Are in Your Food? You Can’t Always Tell From the Labels

Which Allergens Are in Your Food? You Can’t Always Tell From the Labels

When you’re shopping for someone who has a food allergy, a trip to the grocery store is like a police investigation.…
Seeking Superpowers in the Axolotl Genome

Seeking Superpowers in the Axolotl Genome

The axolotl, sometimes called the Mexican walking fish, is a cheerful tube sock with four legs, a crown of feathery gills…
Scientists Are Teaching the Body to Accept New Organs

Scientists Are Teaching the Body to Accept New Organs

It was not the most ominous sign of health trouble, just a nosebleed that would not stop. So in February 2017, Michael…
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