SARS-CoV-2 has been evolving the ability to evade the immune system about twice as fast as the fastest-evolving flu virus. It averages more than a dozen significant changes every year.

Research identifies how viral respiratory infection damages macrophages and suggests treatment with a pre-existing FDA approved drug.

In pediatric patients aged 6 months to 5 years, the VE of mRNA-1273 against symptomatic infection was modest after a single dose and strong after a second dose.

Some 23% of people infected with SARS-CoV-2 between 2021 and 2023 developed long COVID, and in more than half of them the ...

A drug called ensitrelvir can help prevent Covid-19 in people who have been exposed within households. This finding comes from an international clinical trial a UVA School of Medicine professor helped ...

Boston.com readers said the pandemic remains an ever-present threat to public health, despite much of society having moved on.

Broad Institute scientist Alina Chan sparked controversy by suggesting COVID originated in a Chinese lab. Five years later, ...

At a time when the world seems eager to declare the COVID-19 pandemic a closed chapter, I — along with millions of other Americans — continue to confront a relentless, invisible enemy that has ...

Casi todo el mundo ha estado expuesto al menos una vez al virus SARS-CoV-2. Los CDC informan que más de 1,2 millones de ...

That night, as the upcoming presidential election matchup appeared settled by Michigan voters, the news broke: Two cases of ...

That was the same time the Washington Post ran the story “ NIH reels with fear, uncertainty about future of scientific ...

Attorneys general from 17 states are preparing to take legal action against Dr. Anthony Fauci for his conduct during the ...