International Business Times: Zika Outbreak 2016: Proof Of Link Between Zika Virus And Birth Defects May Take 6 Months, WHO Says
“The World Health Organization said Friday that it could take four to six months to prove the link between the Zika virus spreading through the Americas and the birth defect, microcephaly — a condition that causes babies to be born with abnormally small heads…” (Kondalamahanty, 2/20).

New York Times: Proof of Zika’s Role in Birth Defects Still Months Away, WHO Says
“… ‘It will probably be four, five, six months,’ Dr. Bruce Aylward, the organization’s head of emergency response, said at a news conference in Geneva. But he added that the evidence was already so strong that ‘at this time, the virus is considered guilty until proven innocent’…” (McNeil, 2/19).

Reuters: CDC, Brazil start big study to test Zika link to birth defects
“U.S. and Brazilian researchers are heading to João Pessoa in the state of Paraíba on Monday to recruit mothers and babies in one of the biggest government-led studies to understand whether the Zika virus is linked to microcephaly, a rare birth defect…” (Steenhuysen, 2/19).

Reuters: Initial results of U.S.-Brazil studies on Zika mystery expected by May
“Two U.S.-Brazilian studies on whether the Zika virus spreading through the Americas is causing birth defects and other neurological disorders will yield initial results by May, a senior U.S. public health official said on Friday…” (Boadle, 2/19).