Twenty-five Connecticut patients have tested positive for the Zika virus, including 16 who have traveled to the Dominican Republic, the state Department of Public Health announced Thursday. Three of those who tested positive are pregnant.

One other patient who traveled to the Dominican Republic tested positive for Flavivirus, meaning the patient could have contracted Zika or another related virus, like Dengue fever, but the test was inconclusive for the specific virus, the department said in a news release.

Additionally, of patients who traveled to Haiti, the Dominican Republic’s island neighbor, one tested positive for Zika and three tested positive for Flavivirus, the department said.

“Today’s results are another reminder to Connecticut residents traveling not just to the Dominican Republic, but to any Caribbean island or areas in Central or South America, that Zika virus remains a serious health threat, especially for pregnant women,” Public Health Commissioner Dr. Raul Pino said. “We continue to urge pregnant women, women who are trying to conceive and their male partners to avoid traveling to Zika-affected areas. If travel is unavoidable, please follow all precautions to reduce the risk of infection, both during and after your trip.”

He emphasized the vast majority of people infected with Zika never show symptoms of the virus. Because of this, he said, it is important for pregnant women who travel to a Zika-affected area to consult with their physician when they return. It is equally important, he said, for their male partners and the male partners of women who would like to conceive to follow guidelines for sexual activity, regardless of whether they exhibit symptoms.

According to Centers for Disease Control guidelines, pregnant women and their male partners who have traveled to a Zika-affected area should either abstain or consistently use condoms for the duration of the pregnancy. Women who would like to conceive should wait at least eight weeks from either the onset of Zika symptoms or the date of last possible exposure, if asymptomatic. The male partners of women who would like to conceive must wait at least six months before trying to conceive if they have symptoms of the virus, or eight weeks after last possible Zika exposure, if they show no symptoms.

The health department also announced Thursday that it has received $320,564 in federal emergency preparedness funding from the CDC to address the Zika virus in Connecticut. The funds will be used to continue implementing the state’s Zika Surveillance & Response Plan, which was drafted at the request of Gov. Dannel P. Malloy in January to deal with the threat of Zika virus. Funding will also be used to track Zika-positive pregnant women and their babies to monitor for microcephaly, other serious birth defects and adverse pregnancy outcomes linked to Zika, the department said.

Of the 25 Connecticut residents who have tested for Zika, another 12 patients have tested positive for Flavivirus, including eight pregnant women. All 37 patients who tested positive for these two viruses have traveled to 12 countries or U.S. territories in the Caribbean, South and Central America. The most common country of travel was the Dominican Republic, the department said.