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The man and woman, both young adults, are the second and third confirmed Zika infections among Arizona residents who traveled to nations where the Zika virus is circulating.

Two Maricopa County residents who recently traveled to Latin America have tested positive for the Zika virus, Arizona health officials said Friday.

The man and woman are the second and third confirmed Zika infections among Arizona residents who traveled to nations where the virus is circulating. The latest people infected are both young adults, said Dr. Cara Christ, director of the Arizona Department of Health Services.

Healthy adults may not even know they are infected with the virus, which is mostly transmitted by mosquito bites but also has been spread through sexual contact. Symptoms include fever, rash, joint pain or conjunctivitis.

Pregnant women can pass the virus to a baby during pregnancy or birth. The virus can cause abnormally small brains in babies, a condition called microcephaly, or other brain defects.

State health officials would not say whether the Maricopa County woman is pregnant, citing patient confidentiality.

The Centers for Disease Control and Prevention said it is monitoring 157 women with confirmed or suspected Zika virus infections in 50 states and the District of Columbia. Another 122 pregnant women with confirmed or suspected infections are being monitored in U.S. territories.

Christ said state and county health and environmental officials will work to identify any mosquito breeding sites at or near the homes of the two Maricopa County residents. No case has been transmitted by mosquito bite in the U.S., but Arizona and other regions have the type of mosquito that can carry the virus.

"We don't have Zika in our mosquito population," Christ said. "The goal is to keep it out of our mosquito population."

http://www.azcentral.com/story/news/local/phoenix/2016/05/20/maricopa-county-residents-test-positive-zika-virus/84671906/