The CDC reported outcomes on several pregnant U.S. residents who acquired the virus while traveling in affected countries.
In two of the suspected cases, the women's only known risk factor was sexual contact with an infected male partner.
Authorities have warned of "catastrophic" damage to Koro Island, Fiji's seventh-largest island.
A malicious spam campaign seeks to capitalize on fears surrounding the Zika virus.
Pope Francis added that he still considers abortion a crime.
Poll shows 41 percent of those aware of Zika say they are less likely to travel to Latin America, Caribbean.
The virus has been linked to the devastating birth defect microcephaly.
The woman was diagnosed in Catalonia after returning from Colombia.
The donor had developed symptoms that originally were mistaken for dengue, a virus borne by the same mosquito that transmits Zika.
Conservative publications are pushing the return of DDT, but experts say that's ridiculous.
British Olympians are reported to be worried about the disease with the Rio Olympics approaching.
The World Health Organization has declared a global emergency but Olympics chiefs remain unruffled.
The WHO says it is taking immediate action to expedite research on the causal relationship between the outbreak of the virus and the growing rate of infant birth defects in Brazil.
In Zika-prone countries, women are told to stop getting pregnant but don't have access to contraceptives and face prison time for abortion.
Zika's risk to babies is now a public health emergency.