A deadly hantavirus outbreak aboard a cruise ship is reviving fears about how quickly diseases spread globally.

Hantaviruses are groups of viruses – microscopic organisms that infect hosts – transmitted by mice and rats. They can cause serious, sometimes fatal, illnesses in people. Hantavirus disease is considered rare, with 890 cases reported in the United States between 1993 and 2023.

On today's episode, we have the newest updates on the Hazen Fire— what crews are facing, and what it means for Arizona communities. FOX 10 Investigator Justin Lum dives into the case of an off-duty Phoenix sergeant under investigation following a counter-protest at a student-led anti-ICE demonstration.

Maricopa County announced three new measles cases on Wednesday connected to an East Valley outbreak, bringing the county’s total to 13 for the year so far.

The virus infected nearly 1,000 people in the state before the state declared it over. Meanwhile, cases are spreading across many parts of the U.S., with more than 20 outbreaks currently active.

New data shows 18%, or nearly 1 in 5, of tested students and staff at Archbishop Riordan High School in San Francisco were diagnosed with either latent or active tuberculosis during an outbreak that started in November. New testing is scheduled to start today.

Hantavirus cruise ship latest: Couple’s landfill birdwatching trip may be source of deadly outbreak - The couple could have contracted the virus while on a tour in Argentina, officials have said

The World Health Organization (WHO) chief told AFP Wednesday he did not believe a deadly hantavirus outbreak on a cruise ship, which has sparked international alarm, has similarities with the start of the Covid pandemic.