In the time warp that COVID-19 created in most of our lives, it's hard to believe it's been five years since any of us first heard of a mysterious illness making people sick in China. But it was Dec.

“The COVID-19 pandemic caused not only millions of hospitalizations and over a million deaths in the United States but a widespread and enduring mental health crisis.” That is the conclusion of a ...

Since it emerged in 2019, the coronavirus has spread rapidly around the world, causing the most destructive pandemic in 100 ...

Scientists searching for the origins of COVID-19 have zeroed in on a short list of animals that possibly helped spread it to people, an effort they hope could allow them to trace the outbreak back to ...

During the fall of 2019, in a lab in Wuhan, China, a cluster of atoms weighing less than one-trillionth of a gram mutated ever so slightly, cascading into the greatest disruption to human life in over ...

Amid the declining clinical severity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and diminishing public uptake of annual coronavirus disease 2019 (Covid-19) vaccines, ...

Detailed immune profiling in long-term care populations reveals that SARS-CoV-2 vaccines and infections drive powerful virus-specific responses while leaving lifelong common cold immunity largely ...