With more than 31 cases of the mosquito-transmitted Zika virus reported in the United States, including one in Orange County, the chance of contracting the illness in the Hudson Valley is unlikely, according to a local expert. "If we see any, it will be an imported case from people who traveled to countries in South America, Central America, Mexico and the Caribbean," said Dr. Stuart Feinstein, head of Health Quest Medical Practice's Division of Infectious Diseases.