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How is COVID-19 diagnosed?

Diagnosis occurs through laboratory testing of respiratory specimens and serum (blood). Some coronavirus strains cause the common cold and patients tested by their health care provider may test positive for these types. The COVID-19 strain can only be detected at a public health laboratory.

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1. What are the symptoms?
2. How does it spread?
3. How is it treated?
4. How is COVID-19 diagnosed?
5. Do I need to wear a mask?
6. What can travelers do to protect themselves and others?
7. What if I recently traveled to China?
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