Tuesday marks five years since the World Health Organization (WHO) declared the global outbreak of COVID-19 to be a pandemic.

More than half of U.S. states are reporting "very high" levels of COVID activity as the virus continues to spread and increase in many parts of the country, according to the latest wastewater data ...

This map shows the level of COVID-19 viral particles in wastewater by state as of July 11, 2024, with darker shades representing a higher particle levels. Missouri is in the “high” category, while ...

There remains much we don’t know about long covid, including its origins. It’s a complex condition likely caused by more than ...