Most respiratory illnesses don’t require antibiotics, which can have harmful side effects.
Two scientific findings altered the calculus: Vaccinated people don’t transmit the virus, and the shots are effective against variants.
Overconfidence and missteps contributed to the country’s devastating second wave, his critics say, tarnishing the prime minister’s aura of political invulnerability.
The new wave will hurt global efforts and vaccine supplies, experts say. Researchers are scrambling to assess whether new coronavirus variants are playing a role in India.
Nursing homes have manipulated the influential star system in ways that have masked deep problems — and left them unprepared for Covid-19.
He risks infections, bones that do not heal, and foot and ankle injuries that impede walking. His ability to play pro golf again is in question.
The agency has not fully reckoned with airborne transmission of the coronavirus in settings like hospitals, schools and meatpacking plants, experts said.
The spread of other dangerous germs is surging — a result, in part, of the chaotic response to the pandemic.
Under most circumstances, fever is beneficial, reducing the severity of illness and shortening its length.
The outbreak of the virus has sickened more than 80 million people. At least 1.7 million people have died. Here’s how the year unfolded.
It’s not edible, but it can save lives. The virologist Ian Mackay explains how.
Children in minority communities are much more likely to become infected and severely ill. Many have parents who are frontline workers, experts say.
When these mammals are ill, they have fewer interactions with family and friends, new study suggests. “It’s like us,” said one researcher.
The data emerging from those tested at a storefront medical office in Queens is leading to a deeper understanding of the scope of the coronavirus outbreak in New York.
In an unusual experiment, researchers found no coronavirus infections among thousands of people allowed to return to their gyms.
Now they are using lessons from the experience to urge action on the growing problem of drug-resistant infections before it’s too late.
You shouldn’t gather in groups this weekend, but we know you probably will. So here’s some guidance from the biology professor whose advice for lowering coronavirus risk has reached millions.
Economists say rewards could overcome hurdles in gauging the overall infection and mortality rates from a limited population sample.
It was the first large democracy to contain the spread of the coronavirus and is now the first to methodically go about reopening its economy. Others are watching.
About this question, too, decisions with great consequences are being made, as they must be, based on only glimmers of data.
Looking for a return to normal may be misplaced. Instead, the next phase is about learning how to live with the virus, possibly for a long time.
Officials reported the first cases in New York, Rhode Island and Florida, which declared a public health emergency. In many countries, the epidemic continues to grow at a fast pace.
As new cases appear on the West Coast, some — including the president — are comparing it to the seasonal flu. Here’s a close look at the differences.
Now, after many fire drills, the world may be facing a real fire.
The country is better positioned than most but still could face critical shortages of respirators and masks. Hospitals have triage plans in place. State and local governments have broad powers to quarantine.