Two more Delawareans have tested positive for the Zika virus, state officials confirmed Monday.

A adult male who took a January trip to a Zika-affected region contracted the virus and and an adult female who traveled in late February also tested positive. She is not pregnant.

Both cases were mild and risk of infection to others is extremely low, according to a release from the Delaware Division of Public Health.

"We are not surprised that there are additional Zika cases in Delaware given how often people travel and that the virus is now so widespread in South America, Central America, and the Caribbean,”  said Dr. Karyl Rattay, director of the division of public health in a statement.

"With the upcoming spring break and a potential for even more travel to the countries where Zika is common, DPH reminds people to avoid being bitten and, if a woman is pregnant or trying to get pregnant, postpone travel if at all possible, and talk to your doctor if you plan to travel. It is also important to consider the risk of sexual transmission of the virus, and to use condoms if it is possible the male sexual partner has been exposed to the virus.”

Delaware recorded its first Zika case in February. A woman was bitten by an infected mosquito during international travel. She was not pregnant.

The mosquito-borne virus is most commonly found in Africa, Southeast Asia and South America.

Symptoms of Zika include fever, rash, joint pain and pink eye. Typically they present in the first two to seven days after infection, about 80 percent of those exposed to the virus experience symptoms at all. However, the virus can be passed from mother to baby in utero and causes birth defects.

Zika made national headlines following its connection to birth defects in babies born to women infected during pregnancy. It is linked specifically to microcephaly, a condition where a baby's head is much smaller than expected.

Officials urge reproductive-age women to take mosquito prevention measures if they travel to affected areas and discourage pregnant women to travel to the regions where the virus is circulating.

There is no vaccine nor any antiviral medications to prevent Zika virus infection.

So far, 258 Americans have contracted the Zika virus through international travel, according to the Centers for Disease Control and Prevention. Eighteen pregnant women have the virus and six cases were transmitted through sexual contact.

The CDC knows that a man, once bitten by an infected mosquito, can spread Zika to his sex partners, but there is no conclusive data on how long the virus is present in semen and if it can be transmitted even if the man never develops symptoms.

It is not known if a woman can spread the virus to her sex partners nor if it can spread through oral sex.

We do know  that people cannot contract the virus as they would the common cold. It cannot be spread through coughing, sneezing or kissing,

Countries with active Zika virus transmission

Aruba, Barbados, Bolivia, Bonaire, Brazil. Colombia, Puerto Rico, Costa Rica, Cuba, Curacao, Dominican Republic, Ecuador, El Salvador. French Guiana, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Jamaica, Martinique, Mexico, Nicaragua, Panama, Paraguay, Saint Martin, Saint Vincent and the Grenadines, Sint Maarten, Suriname, Trinidad and Tobago, U.S. Virgin Islands, Venezuela, American Samoa, Marshall Islands, New Caledonia, Samoa, Tonga, Africa and Cape Verde.

Jen Rini can be reached at (302) 324-2386 or Follow @JenRini