A mother holds her baby, who has microcephaly, in Recife, Brazil. Mario Tama/Getty Images hide caption
zika
Friday
Wednesday
Sudanese dockers unload a U.S. aid shipment at Port Sudan on the Red Sea coast on May 5. Ashraf Shazly/AFP/Getty Images hide caption
Thursday
Friday
The Zika virus has been largely spread by mosquitoes, but it can also be spread by sexual intercourse. NIAD/Flickr hide caption
A strain of the Zika virus is stained green in this image from a transmission electron microscope. The virus sample came from a microcephaly case in Brazil. Science Source hide caption
Thursday
A government worker sprays mosquito insecticide fog in Kuala Lumpur, Malaysia, earlier this month to block the spread of Zika. The U.S. CDC advises pregnant women to reconsider plans to travel to Malaysia and 10 other countries because of the virus. Joshua Paul/AP hide caption
Pregnant Women Should Consider Not Traveling To Southeast Asia
Wednesday
A health department microbiologist looks for mosquitoes carrying Zika virus in Hutchins, Texas. LM Otero/AP hide caption
Wednesday
Infants born with microcephaly are held by mothers at a meeting for mothers of children with special needs in Recife, Brazil. Mario Tama/Getty Images hide caption
Friday
A pest control worker fumigates a school classroom in Kuala Lumpur on Sept. 4. Malaysia reported its first locally transmitted Zika case on Sept. 3. Mohd Rasfan/AFP/Getty Images hide caption
Wednesday
Maudeline Orelien, 22, with her son, Wilguens Pierre, who was born in July with microcephaly. Jason Beaubien/NPR hide caption
Wednesday
Chinashama Sainvilus is one of three babies born with microcephaly at the Mirebalais Hospital in Haiti in July. Jason Beaubien/NPR hide caption
Friday
Mosquitoes hover around South Korea's bronze medalist Ki Bo Bae during the medal ceremony for archery, held on Aug. 11 at the Rio Games. Jewel Samad/AFP/Getty Images hide caption
Tuesday
Twin girls born with extremely small heads, shrunken spinal cords and extra folds of skin around the skull. Scientists think this skin forms when the skull collapses onto itself after the brain — but not the skull — stops growing. The images of the girls' heads were constructed on the computer using CT scans taken shortly after birth. The girls were infected with Zika at 9 weeks gestation. Courtesy of the Radiological Society of North America hide caption
Monday
A plane sprays pesticide over the Wynwood neighborhood of Miami on Aug. 6. That's just one way health officials are battling back Zika-carrying mosquitoes in the area. Joe Raedle/Getty Images hide caption
A Miami-Dade County mosquito control worker sprays around a school in the Wynwood area of Miami earlier this month. Alan Diaz/AP hide caption