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Even with a handful of available treatments efforts, to repurpose other drugs or discover new ones have not had much success

At first glance, the results reported on Friday from the long-awaited trial of Johnson & Johnson's Covid-19 vaccine might have seemed disappointing. Its overall efficacy - the ability to prevent moderate and severe disease - was reported at 72 percent in the United States, 66 percent in Latin American countries and 57 percent in South Africa. Those figures appear far below the high bar set by Pfizer-BioNTech and Moderna, the first two vaccines authorized for emergency use in the United States, which reported overall efficacy from 94 to 95 percent. But Dr. Anthony S. Fauci, the nation's leadin...

A couple of familiar faces have made their "WandaVision" debut.

How the Search for Covid-19 Treatments Faltered While Vaccines Sped Ahead Vaccine development exceeded everyone’s expectations. But the next few months will still bring many sick people — and doctors have woefully few drugs with which to treat them. A makeshift I.C.U. at a hospital in Torrance, Calif, earlier this month.Credit...Mario Tama/Getty Images Nearly a year into the coronavirus pandemic, as thousands of patients are dying every day in the United States and widespread vaccination is still months away, doctors have precious few drugs to fight the virus. A handful of therapies — r...