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Pennsylvanians urged to read Zika virus travel advisories

Associated Press

Health officials are asking Pennsylvanians to pay attention to travel advisories as they test six to eight people for the mosquito-borne Zika virus. No cases are confirmed yet.

Health workers fumigate to prevent Dengue, Chikunguya and Zika virus, at El Angel cemetery, in Lima, Peru, Wednesday, Jan 20, 2016. A U.S. warning urging pregnant women to avoid travel to Latin American countries where the mosquito-borne virus is multiplying threatens to depress tourism to the region, one of its few bright spots at a time of deep economic pain. (AP Photo/Martin Mejia)

Loren Robinson of the Pennsylvania Department of Health said Friday that each person being tested had traveled to an area affected by Zika.

The virus' symptoms tend to be slight, and include fever, rash, pain or conjunctivitis. Health officials suspect the infection causes a birth defect called microcephaly, in which a babies' head is smaller than normal and the brain may not have developed properly.

Brazil is seeing a wave of such birth defects.

Health officials are advising pregnant women to consider postponing travel to areas where the Zika virus transmission is active. Those areas include Mexico and parts of Central and South America.