The number of pregnant women with laboratory evidence of Zika virus infection jumped by 189 during the week ending Aug. 11, with most of the increase coming in the U.S. territories, according to the Centers for Disease Control and Prevention.

The territories reported 170 new cases of Zika infection for that week, while the 50 states and the District of Columbia had 19 new cases in pregnant women. There have been 1,220 cases in pregnant women in the United States so far: 691 in the territories and 529 in the states and D.C. Among all Americans, there have been 10,295 cases of Zika: 8,035 in the territories and 2,260 in the states/D.C., the CDC reported.

The number of Zika-related poor outcomes did not change during the week ending Aug. 11. The number of liveborn infants born with birth defects stayed at 16 in the states/D.C. and 1 in the territories, and the number of pregnancy losses with birth defects held at 5 in the states/D.C. and 1 in the territories, the CDC said. State- or territorial-level data are not being reported to protect the privacy of affected women and children.

The figures for states, territories, and D.C. reflect reporting to the U.S. Zika Pregnancy Registry; data for Puerto Rico are reported to the U.S. Zika Active Pregnancy Surveillance System.

Zika virus–related birth defects recorded by the CDC could include microcephaly, calcium deposits in the brain indicating possible brain damage, excess fluid in the brain cavities and surrounding the brain, absent or poorly formed brain structures, abnormal eye development, or other problems resulting from brain damage that affect nerves, muscles, and bones. The pregnancy losses encompass any miscarriage, stillbirth, and termination with evidence of birth defects.

rfranki@frontlinemedcom.com

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