Pinal County woman becomes 3rd person to be diagnosed with COVID-19 coronavirus in Arizona

Health officials in Arizona have confirmed a third person has been diagnosed with coronavirus in the state.

The Arizona Department of Health Services says the new COVID-19 case is the state's second "presumptive positive" case and involves a woman in her 40s who is currently hospitalized.

Public health officials in Pinal County say the woman is a healthcare worker who lives in the county. Officials, however, did not identify the area in which the woman resides. The woman is hospitalized in a Maricopa County hospital.

Pinal County officials say the case is being investigated as the first case in Arizona of possible community spread. Health officials are working to identify any close contacts of the woman who may have been exposed. 

VIDEO: Maricopa & Pinal County coronavirus news conference

“The COVID-19 outbreak is rapidly evolving and based on events in other states, we expect additional cases and community spread in Arizona,” said Dr. Cara Christ, ADHS director. “Keeping Arizonans safe and healthy is our number one priority and we are confident the public health system in Arizona is well prepared to respond to the COVID-19 outbreak.”

The first Arizona patient diagnosed with coronavirus continues to recover under home quarantine

The second was the first "presumptive positive" case in Arizona. That person, a man in his 20s, is not hospitalized and is recovering at home.

The virus spreads through the air when an infected person coughs or sneezes and the symptoms are thought to appear between two and 14 days after exposure, the department said.

The woman’s case was the second identified through testing by the state health lab. The first case was identified through testing by the federal Centers for Disease Control and Prevention.

Meanwhile, three firefighters and two ambulance workers in Scottsdale remain in quarantine at their homes after treating a patient who later tested positive for the new coronavirus. They have not displayed any symptoms, according to Maricopa County Public Health officials.

The man they treated last week was the state’s second patient with the new coronavirus.

The Associated Press contributed to this report.

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