Four people who had returned from travel abroad have tested positive in New York state with infections with the mosquito-transmitted Zika virus, local health officials said on Wednesday.

Two tested positive in New York City, city health officials said. Neither had severe complications, they said.

A person who resides in Nassau County had traveled to a country with documented transmission of the virus and developed symptoms in August, had a mild illness, was not hospitalized and has completely recovered, a county health department spokeswoman said.

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An Orange County resident who had traveled to South America tested positive, the county health commissioner's office said. The office did not provide information on the person's condition.