Add Yahoo as a preferred source to see more of our stories on Google. Following weeks of uncertainty, Arizona's largest health system says it's planning to have a supply of updated COVID-19 shots by ...

The coronavirus causes mild or moderate symptoms, such as fever and cough, for most people. For some people who contract the virus, especially those who are older or have underlying health conditions, ...

Arizona Gov. Katie Hobbs signed an executive order to increase access to the new COVID-19 vaccine. State agencies are working to issue a standing order allowing pharmacists to administer the shots ...

Urgent cares around the Valley are seeing more confusion from patients, whether they are sick or have bad allergies due to ...

Confirmed coronavirus cases in Arizona topped 6,900 Tuesday, according to new state figures. The number of confirmed coronavirus cases across Arizona is 6,948, the Arizona Department of Health ...

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

Navajo Nation President Jonathan Nez told House Democrats that traffic through the Navajo Nation is up sharply since the reopening of the Grand Canyon, even though the tribe has imposed strict curfews ...

Update: Gov. Doug Ducey on Wednesday afternoon announced an executive order to allow qualifying health care providers in Arizona to resume performing elective surgeries starting May 1. Read the full ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Another study has suggested that rates of cerebral venous sinus thrombosis (CVST) are much higher ...

Arizona Gov. Doug Ducey, on March 11, 2020, declared a state of emergency over a new respiratory virus. At the time there had been nine cases reported in Arizona. The same day that Ducey issued his ...

Arizona's largest health system announced Sept. 25 that it plans to give out the new COVID shot after earlier uncertainty.