USA TODAY: CDC: 1% to 13% of Zika-infected babies could have microcephaly
“A fetus infected with the Zika virus during the first three months of pregnancy has about a one percent to 13 percent risk of developing microcephaly, an abnormally small head usually caused by incomplete brain development, according to new estimates from the Centers for Disease Control and Prevention…” (Szabo, 5/25).

Washington Post: For Zika-infected pregnancies, microcephaly risk may be as high as 13 percent
“…Researchers at the Centers for Disease Control and Prevention and Harvard T.H. Chan School of Public Health identified the sharply higher risk after analyzing data from one of the hardest hit areas in Brazil, the epicenter of the rapidly evolving Zika outbreak. Typically, microcephaly occurs in .02 percent to .12 percent of all U.S. births…” (Sun, 5/25).