About 1.22 million people have died of COVID in the U.S., CDC data shows. Tuesday marks five years since the World Health Organization (WHO) declared the global outbreak of COVID-19 to be a pandemic.

Questions remain over where COVID came from and how long it spread undetected. Five years ago, the World Health Organization declared the COVID-19 outbreak to be a pandemic, leading to stay at ...

When children stop going to school? In many cases, it was impossible to know what caused the specific changes — some aspect of the Covid pandemic or another invisible influence. But the findings ...

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. “It still feels kind of incomplete,” said ...

Here the authors characterise the cellular and molecular progression of lung alveolar damage in severe COVID-19 patients using integrated histopathology and cell atlassing, pinpointing a role for ...