WHO's announcement underscores the speed with which a virus that began as an obscure tropical malady afflicting Africa and then several remote Western Pacific islands has transformed into a major worldwide health concern, particularly in the Americas.
As many as 1.5 million Brazilians may have been infected with the Zika virus since its arrival in the country last spring. The most common symptoms of Zika virus are fever, rash, joint pain, and red eyes.
"We do not believe there will be a major outbreak of Zika in the United States", Dr. Anthony Fauci, Director of the National Institute of Allergy & Infections Disease, said.
Dr Lokman was quoted as saying that the risks were high for Malaysians because they had no immunity to the Zika virus, making it likely that the disease could spread very quickly.
The Centers for Disease Control and Prevention (CDC) is advising against travel to more than 20 South and Central American countries if a person is pregnant or planning on becoming pregnant. The organization works with low-income pregnant women.
According to a release from the commission, the patient, who lives in Boston, contracted Zika while traveling overseas in a region where the virus has been spreading.
"The largest part of the problem is for Canadians who are thinking of getting pregnant or who are pregnant, due to their offspring", she said, cautioning them to postpone travel to affected countries.