Puerto Rico has reported 683 confirmed cases of the Zika virus, including 65 pregnant women with symptoms of the virus and one death, US health officials said on Friday.
The CDC also reported that one patient with a confirmed Zika infection died from severe thrombocytopenia, a disorder marked by abnormally low blood platelets, which are needed to help the blood clot.
CDC said although deaths from Zika are rare, the death "highlights the possibility of severe cases, as well as the need for continued outreach to raise health care providers' awareness of complications that might lead to severe disease or death," researchers said in the report published in the CDC's Morbidity and Mortality weekly Report.
An anti Zika virus kit, including a bug net, mosquito repellent, condoms, literature and anti mosquito dunks, is pictured in this April 29, 2016 photo illustration.
Zika, a virus known to cause the birth defect microcephaly, first began spreading in Puerto Rico in December. In Brazil, Zika has been linked to 1,198 confirmed cases of microcephaly, a rare birth defect marked by small head size that can lead to severe developmental problems in babies. Zika has also been linked to other severe birth defects and with stillbirth.
The World Health Organization declared Zika a global health emergency on February 1. In addition to microcephaly, the agency says there is a strong scientific consensus that Zika can cause Guillain-Barre, a rare neurological syndrome.
US health officials said Zika remains a public health threat in Puerto Rico, with more cases expected throughout 2016.
Residents of and travelers to Puerto Rico are urged to take steps to avoid mosquito bites including the use of mosquito repellent, take precautions to reduce the risk of sexual transmission of Zika, and seek medical care for any acute illness with rash or fever.