How is Zika diagnosed?

Zika virus infection is diagnosed by a history of travel and flu like symptoms including fever, rash, conjunctivitis (red eyes) and joint pain. The diagnosis is confirmed by blood testing.
Johns Hopkins Medicine
Zika virus is diagnosed by a blood test. If a person is experiencing fever, rash, joint pain and red eyes, especially after recent travel to an affected country or being bitten by a mosquito, he or she should visit a health care provider, who can determine if a blood test is needed. Urine may also be collected in those who have recently had or currently have symptoms.

This content originally appeared online at Johns Hopkins Medicine (

Continue Learning about Zika Virus

Zika Virus

Zika Virus

Zika virus is a tropical disease that is spread by Aedes species of mosquitoes. Until 2015, the virus was limited to small outbreaks in regions of Africa, Asia and the Pacific Islands. Mosquitoes can pick up the virus by biting an ...

n infected person, and then transmit it to someone else they bite later. The virus doesn’t generally spread from person to person directly, though sexual transmission is possible.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.