About the Virus

What is the coronavirus disease or COVID-19? 

  • Coronavirus disease 2019 or COVID-19 is a new respiratory virus first identified in Wuhan, Hubei Province, China.
  • Coronaviruses are a large family of viruses. There are several known coronaviruses that infect people and usually only cause mild respiratory disease, such as the common cold.
  • You can learn more about COVID-19 at the CDC website.
  • See how COVID-19 compares to other coronaviruses on this chart.

Has anyone in the United States been infected?

  • Yes. Monitoring and testing are ongoing across the United States. 
  • A nationwide case count table is available on the CDC website
  • A statewide case count table, including confirmed cases in Maricopa County, is available on the Arizona Department of Health Services website.
  • This is a rapidly evolving situation.
    • Please visit Maricopa.gov/coronavirus for the most up-to-date and accurate information about what is going on in Maricopa County.
    • Please visit the CDC website for the most up-to-date information nationally.

How does the virus spread?

  • COVID-19 is thought to spread mainly through respiratory droplets produced when an infected person coughs or sneezes, similar to how flu spreads.

Can someone who has COVID-19 spread the illness to others?

  • COVID-19 spreads similar to flu; therefore, if you are in close contact to someone who is actively sick with COVID-19 for an extended period of time, you are at an increased risk of getting sick. 
  • For example, closer than 6 feet to a sick individual for more than 10 minutes. 

What are the symptoms and complications that COVID-19 can cause?

  • Symptoms reported for patients with COVID-19 have included mild to severe respiratory illness with fever, cough, and difficulty breathing.

Who is at risk for having severe disease related to COVID-19?

  • Most people who contract COVID-19 will experience mild symptoms; however, similar to flu, individuals who have the highest risk for severe illness are older adults and those with chronic conditions like heart or lung disease or diabetes.

What is the treatment for COVID-19?

  • There is no specific antiviral treatment recommended for COVID-19. People with COVID-19 will receive supportive care to help relieve symptoms.


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