C.D.C. Data Shows U.S. Coronavirus Infections Much Higher Than Reported

The number of people infected with the coronavirus in different parts of the United States was anywhere from two to 13 times higher than the reported rates for those regions. The findings suggest that large numbers of people who did not have symptoms or did not seek medical care may have kept the virus circulating in their communities.

The Doctor Behind the Disputed Covid Data

Dr. Sapan Desai, who supplied the data for two prominent and later retracted studies, reported that anti-malaria drugs like hydroxychloroquine, which President Trump promoted, were linked to increased deaths of Covid-19 patients. The now-tainted studies helped sow confusion and erode public confidence in scientific guidance when the nation was already deeply divided over how to respond to the pandemic.

Moderna and Pfizer Begin Late-Stage Coronavirus Vaccine Trials

The first large study of the safety and effectiveness of a coronavirus vaccine in the United States began on Monday morning, according to the National Institutes of Health and the biotech company Moderna, which collaborated to develop the vaccine.

Misleading Hydroxychloroquine Video, Pushed by the Trumps, Spreads Online

In a video posted Monday online, a group of people calling themselves “America’s Frontline Doctors” and wearing white medical coats spoke against the backdrop of the Supreme Court in Washington, sharing misleading claims about the virus, including that hydroxychloroquine was an effective coronavirus treatment and that masks did not slow the spread of the virus.

In Nick Cordero’s Death, a Reminder of Covid-19’s Unknowns

“The idea that ‘I’m young, I’ll be fine’ is not an idea that we can completely subscribe to,” said Dr. Utibe Essien, a physician and health equity researcher at the University of Pittsburgh.Amanda Kloots, Mr. Cordero’s wife, has said that he had no known pre-existing conditions that might have worsened the course of his disease.

Who Gets a Vaccine First? U.S. Considers Race in Coronavirus Plans

The Centers for Disease Control and Prevention and an advisory committee of outside health experts in April began working on a ranking system for what may be an extended rollout in the United States. According to a preliminary plan, any approved vaccines would be offered to vital medical and national security officials first, and then to other essential workers and those considered at high risk — the elderly instead of children, people with underlying conditions instead of the relatively healthy.

Coronavirus Drug and Treatment Tracker

Below is an updated list of 19 of the most-talked-about treatments for the coronavirus. While some are accumulating evidence that they’re effective, most are still at early stages of research. We also included a warning about a few that are just bunk.

Older Children Spread the Coronavirus Just as Much as Adults, New Study Finds

In the heated debate over reopening schools, one burning question has been whether and how efficiently children can spread the virus to others. A study of 65000 from South Korea offers an answer: Children younger than 10 transmit to others much less often than adults do, but the risk is not zero. And those between the ages of 10 and 19 can spread the virus at least as well as adults do.

Coronavirus Survivors: Here's What Recovery May Look Like

Hundreds of thousands of seriously ill coronavirus patients who survive and leave the hospital are facing a new and difficult challenge: recovery. Many are struggling to overcome a range of troubling residual symptoms, and some problems may persist for months, years or even the rest of their lives.