A new research program combining the efforts of Northern Arizona University and the University of Washington aims to create a vaccine for Valley fever, an infectious fungal disease that poses an increasing threat as the climate continues to warm and become drier. 

An increasing number of vaccine deniers coupled with one of the easiest opt-out provisions in the nation has left Arizona with close to one out of every 10 kindergartners unprotected against key childhood diseases.

State senators voted Tuesday to forever bar the state Department of Health Services from requiring students to be vaccinated against Covid to attend school.

Arizonans fired from their jobs for refusing to get vaccinated against COVID could end up with the company having to continue to pay them for a year.  The state House gave preliminary approval Monday to legislation that makes such payments ...

  The 20th century brought the advent of publicly available vaccines for a variety of deadly diseases, improving the quality of life and the life expectancy of most Americans. Polio is no longer the dreaded scourge that parents feared and ...

Republican legislators are moving to punish businesses — and in a big way — if they force workers to get vaccinated against COVID-19 and any of them get sick.  Legislation awaiting a House vote effectively would require employers to honor ...

A federal judge Thursday blocked the Biden administration from requiring the state or any Arizona company with a federal contract to vaccinate all of its workers against COVID-19.  In a 55-page ruling, Judge Michael Liburdi rejected claims by the administration ...

The governor's chief medical adviser said November 23 Covid infections could be cut sharply if people would do more to protect themselves, including wearing masks. 

Attorneys for the federal government are making a last-minute effort to unmask a federal employee who wants to challenge the president's vaccine mandate but does not want to reveal his identity. 

Arizona Attorney General Mark Brnovich said Thursday he plans to sue to block the Biden administration's new mandate that large employers require their workers to either be vaccinated for Covid or undergo weekly testing starting in January.