New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

As global coverage of infectious diseases continues to evolve as a result of lessons learned from the COVID-19 pandemic, ...

Note: An earlier version of this story did not correctly combine county data, leading to an inflated number associated with ...

The declines began with the pandemic, well before routine vaccines became part of the national political conversation.