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A healthcare worker administers a dose of the Moderna Covid-19 vaccine at Nassau Community College in Garden City, New York on Saturday, January 30, 2021.Johnny Milano | Bloomberg | Getty ImagesPfizer-BioNTech and Moderna Covid-19…

For weeks, New Yorkers have been witnessing the alarming rise of a native variant of the coronavirus that has stubbornly kept the number of cases in the city high. City officials have repeatedly warned that the variant could be more…

A healthcare worker holds a vial of the Moderna COVID-19 vaccine at a pop-up vaccination facility operated by SOMOS Community Care during the coronavirus disease (COVID-19) pandemic in New York on January 29, 2021.Facebook Facebook Logo Log…

A nurse, Cindy Mendez, wearing a protective mask, holds a syringe containing a dose of Pfizer-BioNTech COVID-19 vaccine during the coronavirus disease (COVID-19) pandemic at NYC Health + Hospitals Harlem Hospital in the Manhattan…

However, the rate at which several nations discontinued use of the vaccine reflected a reluctance about its safety and effectiveness that contrasts sharply with the confidence shown in other vaccines. Confidence in the vaccine has fallen…

The coronavirus vaccine developed by AstraZeneca and the University of Oxford offered strong protection against Covid-19 in a large clinical trial in the United States Comprehensive protection against the worst effects of the disease…

Dr. Anthony Fauci, director of the National Institute for Allergies and Infectious Diseases, speaks during a press conference at the White House in the James Brady Press Briefing Room of the White House on January 21, 2021 in Washington,…

Now it turns out that some B.1.1.7 coronaviruses in the UK also have the E484K mutation.To look for new mutations, British researchers examined the 214,159 genomes of coronavirus that the UK sequenced on January 26th. In its report, Public…

Biotech company Novavax announced Thursday that its coronavirus vaccine was more than 89% effective against Covid-19 in its Phase 3 clinical trial conducted in the UK.The results were based on 62 confirmed Covid-19 infections among the…

As the coronavirus assumes contagious new forms around the world, two drug makers reported on Monday that their vaccines, while still effective, offer less protection against one variant and began revising plans to turn back an evolving…