A dismantled health infrastructure leaves the U.S. incredibly vulnerable, warns infectious-disease expert Michael Osterholm.

Researchers summarize key insights from the world’s first comprehensive investigation into how a pandemic started.

A detailed exploration of the most sweeping government border closures in human history during the COVID-19 pandemic and the implications for the future of global mobility.

The FDA recently approved new COVID-19 vaccines for Americans, but due to certain restrictions, there has been mounting confusion on what they are, how much protection they’ll offer and whether ...

With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

Cut off from established pathways for managing a chronic illness, many Vermonters with long Covid have reported living in a sort of permanent limbo. They have faced stigma and disbelief from loved ...

As the world shut down due to COVID, causing less traffic like trains, planes and automobiles, scientists expected the planet to get a break from harmful pollutants like nitrogen dioxide and methane.

As states grappled with confusion around vaccines, COVID-19 cases have continued to fluctuate nationwide. Some regions of the United States are experiencing "very high" COVID viral activity, according ...

Deadly Nipah virus outbreak in West Bengal infects five, 100 quarantined; experts warn its 75% fatality rate poses a greater ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re like most people in the US, you probably either know someone with COVID-19 right now, know someone who just got over an ...

The World Health Organization (WHO) on March 11 declared COVID-19 a pandemic, pointing to the over 118,000 cases of the coronavirus illness in over 110 countries and territories around the world and ...

SARS-CoV-2 infections have been rising in the past month — global cases increased by more than 19,000 last month compared with the previous month, according to data posted on the World Health ...