A study published Wednesday shows that the early U.S. death toll during the COVID-19 pandemic was higher than previously recorded. The journal Science Advances found that more than 155,000 ...

Six years since COVID-19 was declared a pandemic, here’s a snapshot of preparedness at a time of global health funding cuts, policy shifts and the spread of misinformation.

In the early days, the virus posed a graver threat to people and the health care system, Trump embraced lockdowns he now blasts, and the benefits of vaccines were oversold.

Leading health experts have warned that the US is staring down the barrel of another pandemic as bird flu spirals out of control on US farms. So far, the H5N1 outbreak has affected nearly 1,000 dairy ...

Six years ago, on March 11, 2020, the World Health Organization declared COVID-19 a global pandemic. Here's what else ...

Virus experts from more than 40 countries are issuing an “urgent call to action” about bird flu, warning about a rising threat from H5N1 avian influenza. As worries grow about the potential for a ...

Many pandemic viruses emerged naturally – but there’s one that most likely came from a lab - Research provides benchmark for distinguishing natural outbreaks from scenarios involving lab leaks ...

Learn how scientists identified genetic clues that distinguish natural viral spillovers from lab-handled viruses — and why ...

Add Yahoo as a preferred source to see more of our stories on Google. Vaccine research quickly picked up to try to prevent a possible flu pandemic in 1976. AP Photo Nineteen-year-old U.S. Army Pvt.

A new study has identified an influenza virus circulating in pigs that shows multiple traits associated with pandemic potential. Known as H1N2, the virus belongs to a lineage of flu viruses that ...

Scientists have an idea of how bird flu would have to evolve in order to spread more easily among humans: A mutation in one protein on the virus' surface could help it bind better human cells. What ...