Arizona has 300 new coronavirus cases; death toll up to 800

Loading Video…

This browser does not support the Video element.

The Arizona Department of Health Services reports 300 additional COVID-19 cases and one more known death as of May 24.

The latest numbers increase the statewide totals in the coronavirus outbreak to 16,339 cases and 800 known deaths.

RELATED: Coronavirus in Arizona: Latest case numbers

For most people, the new coronavirus causes mild or moderate symptoms such as fever and cough that clear up in two to three weeks.

But for some — especially older adults and people with existing health problems — it can cause more severe illness, including pneumonia and death.

MORE: Is it the flu, a cold or COVID-19? Different viruses present similar symptoms

Health officials say more than 6,800 combined tests for active COVID-19 infections (PCR testing) and antibodies (serology testing) were added to the total Sunday.

They say 260,660 tests now have been given in Arizona.

Of those that have been processed, 5.6% have come back positive, continuing a downward trend. The percentage was 6.2% a week ago and 5.7% on Saturday.

Loading Video…

This browser does not support the Video element.

What is coronavirus?

From how it spreads to where it originated, here's a look at everything you need to know about the deadly contagion.

Continuing Coverage

FOX 10 is working to keep you up to date with local and national developments on COVID-19. Every weekday on FOX News Now, our live coverage begins at 7 a.m. MST reporting the latest news, prevention tips and treatment information.

You can watch live in your FOX 10 News app or on the FOX 10 Facebook page.

You can also get the latest coronavirus news from around the country at coronavirusnow.com