Five years ago, on March 11, 2020, the World Health Organization declared the outbreak of COVID-19 a global pandemic. The ...

This chart shows the share of U.S. adults who have had/are experiencing long covid, as a percentage of all U.S. adults.

Not even three months into 2025, the US is approaching the number of measles cases it saw in all of last year: 222 and ...

The U.S. was considered more prepared than any other country to deal with a pandemic. But when Covid arrived, multiple flaws were exposed.

More than 200 people infected with measles nationally, two deaths reported. Should you get a measles vaccine booster?

Five years after the WHO declared COVID to be a pandemic, questions remain including how many people have died.

Another recent federal study, published in the journal JAMA Pediatrics in February, showed approximately 1.01 million ...

While public opinions of the CDC and the WHO shifted throughout the COVID-19 pandemic, recent survey results indicate that ...

Arizona Gov. Doug Ducey declared a state of emergency over COVID-19 on March 11, 2020. Here's a look back, five years later.

Five years ago, the World Health Organization declared a global pandemic of the novel coronavirus, setting off a series of ...

Measles symptoms usually appear seven to 14 days after contact with the virus and typically include high fever, cough, runny ...