A woman who is eight months pregnant in Recife, Brazil. The Zika virus has been rampant in this region. Matt McClain/The Washington Post/Getty Images hide caption
zika
Friday
Thursday
Twins Heloisa (left) and Heloa Barbosa, both born with microcephaly, had a one-year birthday party on April 16 in Areia, Brazil. Their mother says she contracted the Zika virus during pregnancy. Mario Tama/Getty Images hide caption
Friday
Aedes aegypti mosquitoes in various stages of development displayed in Brazil in 2016. Mario Tama/Getty Images hide caption
Wednesday
Maria Carolina Silva Flor and Joselito Alves dos Santos with their 18-month-old daughter, Maria Gabriela Silva Alves. The baby was born with Zika syndrome. Amanda Klasing hide caption
Monday
When the Centers for Disease Control and Prevention lifted its last Zika travel advisory for Miami-Dade County last week, residents and visitors to Miami's popular South Beach neighborhood were relieved. Still, doctors say, pregnant women should continue to take extra precautions. Joe Raedle/Getty Images hide caption
Pregnant women â and those trying to get pregnant â should not travel to places where the Zika virus is circulating. For children, age is a factor. Alessandro Abel/Getty Images/EyeEm hide caption
Is Zika Dangerous For Kids? It Probably Depends On The Age
Friday
Tuesday
Puerto Rico resident Michelle Flandez caresses her two-month-old son Inti Perez, diagnosed with microcephaly linked to the mosquito-borne Zika virus. The U.S. Centers for Disease Control and Prevention says the Zika virus continues to impact a small number of pregnant women and their babies in the U.S. Carlos Giusti/AP hide caption
Thursday
A family member holds twins Eloisa (left) and Eloa, both 8 months old and born with microcephaly, during a Christmas gathering. The mother of the twins, Raquel, who lives in Brazil, said she contracted Zika during her pregnancy. Mario Tama/Getty Images hide caption
Monday
Yalieth Gonzalez and her baby Micaela Delgado at the Maternal Infant Studies Center at the University of Puerto Rico. Marisa Penaloza/NPR hide caption
Living With Zika In Puerto Rico Means Watching, Waiting And Fearing Judgment
Thursday
The National Institutes of Health is based in Bethesda, Md., but the vast majority of its research funding flows to universities around the country. NIH/Flickr hide caption
Thursday
Andie Vaught grasps a stress toy in the shape of a truck as she prepares to have blood drawn as part of a clinical trial for a Zika vaccine at the National Institutes of Health in Bethesda, Md., in November 2016. Allison Shelley/The Washington Post/Getty Images hide caption
Friday
From left: A scene from the video of a car crash test; illustration of a mosquito transmitting the Zika virus; a menstrual shed in Nepal. Insurance Institute for Highway Safety/YouTube; BSIP/UIG via Getty Images; Poulomi Basu/Magnum Emergency Fund hide caption
Wednesday
No one is sure why the northeastern part of Brazil has been hit so hard with microcephaly cases. Felipe Dana/AP hide caption
Wednesday
Florida Department of Health workers package a urine test, part of the state's effort to provide free Zika tests to pregnant women. Joe Raedle/Getty Images hide caption