The number of women who had been infected with the Zika virus during their pregnancy in the continental United States has risen to 234, health officials said Thursday. Officials from the Centers for Disease Control and Prevention declined to say how many of the women had given birth, citing confidentiality concerns for the women and their families. But they did cite six cases with abnormalities —

three babies with birth defects and another three babies who died before birth with evidence of defects. The numbers raised more questions than answers. Without knowing the total number of births it is impossible to know if the babies with birth defects represented a tiny fraction of the total, or a large part. READ MORE