Early

First Coronavirus Vaccine Tested in Humans Shows Early Promise

“It exceeds all expectations,” said Dr. Kizzmekia S. Corbett, a viral immunologist and leader of a team that developed the vaccine at the infectious disease institute.

More than half of the participants had side effects, including fatigue, chills, headaches, muscle aches and pain at the injection site. Some had fever. One person who received the low dose developed hives and was withdrawn from the study. None of the side effects were considered serious.

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Coronavirus Was Moving Through NY in Early February

A new study offers the first physical evidence that the coronavirus was circulating at low levels in New York City as early as the first week of February.

The city confirmed its first infection on March 1. Mathematical models have predicted that the virus was making its way through the city weeks before then, but the new report is the first to back the conjecture with testing data.

The study found that some New Yorkers had antibodies to the virus as early as the week ending Feb. 23. Given the time needed to produce antibodies, those people were most likely infected with the virus about two weeks earlier.

“You’re probably talking about very early in February,” said Florian Krammer, an immunologist at the Icahn School of Medicine at Mount Sinai, who led the study. “It looks like there was at least low-level circulation.”

The findings were posted online Tuesday

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Doctors Heavily Overprescribed Antibiotics Early in the Pandemic

In recent weeks, doctors, researchers and public health experts have been trying to turn the pandemic into a teaching moment. They warn that the same governmental inaction that helped foster the rapid, worldwide spread of the coronavirus may spur an even deadlier epidemic of drug-resistant infections that the United Nations suggests may kill 10 million by 2050 if serious action isn’t taken.

Without new antibiotics, routine surgical procedures like knee replacements and cesarean sections could become unacceptably risky, and the ensuing health crisis could spur an economic downturn to rival the global financial meltdown of 2008, the U.N. report, released last year, said.

“If there’s anything that this Covid-19 pandemic has taught the world, it is that being prepared is more cost-effective in the long run,” said Dr. Jeffrey R. Strich, a researcher at the National Institutes of Health Clinical Center and an author of a study published on

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Coronavirus Vaccine Shows Promising Early Results in China

A vaccine developed in China appears to be safe and may protect people from the new coronavirus, researchers reported on Friday.

The early-stage trial, published in the Lancet, was conducted by researchers at several laboratories and included 108 participants aged 18 to 60. Those who received a single dose of the vaccine produced certain immune cells, called T cells, within two weeks. Antibodies needed for immunity peaked at 28 days after the inoculation.

“This is promising data, but it’s early data,” said Dr. Dan Barouch, director of vaccine research at Beth Israel Deaconess Medical Center in Boston, who was not involved in the work. “Over all, I would say this is good news.”

The trial is the first step in testing the vaccine and was intended mainly to verify its safety. Proof of its effectiveness will require trials in thousands, perhaps hundreds of thousands, more people.

A vaccine for

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