Newborn with Zika virus is a medical mystery

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Newborn Born with Zika Virus Is Medical Mystery, Having No Signs of Microcephaly

Doctors in Florida will be monitoring baby Micaela Mendoza for many years.

Born eight weeks ago to a mother infected with the Zika virus, the dark-haired infant does not have microcephaly, the trademark birth defect that has afflicted most exposed babies with abnormally small heads and brain damage.

Read: First U.S. Case of Infant Brain Damage Linked to Feared Zika ID'd in Hawaii

"She looks normal to me, but the doctors say she's not," mom Maria Ramirez Bolivar told CBS affiliate WSVN-TV.

The woman was diagnosed with Zika, usually carried by mosquitos, in her native Venezuela.

50 cities with the most risk for Zika:

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50 cities with the most risk for Zika
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50 cities with the most risk for Zika

#50. Midland, Texas

Risk level: 1.38

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 161,290

Photo courtesy: Getty

#49. Yuma, Ariz.

Risk level: 1.38

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 203,247

Photo courtesy: Getty

#48. Laredo, Texas

Risk level: 1.38

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 266,673

Photo courtesy: Getty

#47. El Paso, Texas

Risk level: 1.41

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 836,698

Photo courtesy: Getty

#46. Bakersfield, Calif.

Risk level: 1.42

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 874,589

Photo courtesy: Getty

#45. Albuquerque, New Mexico

Risk level: 1.42

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 904,587

Photo courtesy: Getty

#44. Tucson, Ariz.

Risk level: 1.42

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,004,516

Photo courtesy: Getty

#43. Salt Lake City, Utah

Risk level: 1.43

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,153,340

Photo courtesy: Getty

#42. Fresno, Calif.

Risk level: 1.93

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 965,974

Photo courtesy: Getty

#41. Las Vegas, Nev.

Risk level: 1.99

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 2,069,681

Photo courtesy: Getty

#40. Sacramento, Calif.

Risk level: 2

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 2,244,397

Photo courtesy: Getty

#39. San Antonio, Texas

Risk level: 2.03

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 2,328,652

Photo courtesy: Getty

#38. Denver, Colo.

Risk level: 2.2

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 2,754,258

Photo courtesy: Getty

#37. San Diego, Calif.

Risk level: 2.4

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 3,263,431

Photo courtesy: Getty

#36. Phoenix, Ariz.

Risk level: 2.89

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 4,489,109

Photo courtesy: Getty

#35. Montgomery, Ala.

Risk level: 3.92

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 373,141

Photo courtesy: Getty

#34. Huntsville, Ala.

Risk level: 3.94

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 441,086

Photo courtesy: Getty

#33. Shreveport, La.

Risk level: 3.95

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 445,142

Photo courtesy: Getty

#32. Fayetteville, Ark.

Risk level: 3.97

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 501,653

Photo courtesy: Getty

#31. Jackson, Miss.

Risk level: 4

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 577,564

Photo courtesy: Getty

#30. Augusta, Ga.

Risk level: 4

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 583,632

Photo courtesy: Getty

#29. Little Rock, Ark.

Risk level: 4.24

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 729,135

Photo courtesy: Getty

#28. Columbia, SC

Risk level: 4.36

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 800,495

Photo courtesy: Getty

#27. Birmingham, Ala.

Risk level: 4.93

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,143,772

Photo courtesy: Getty

#26. Raleigh, NC

Risk level: 5.09

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,242,974

Photo courtesy: Getty

#25. Richmond, Va.

Risk level: 5.12

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,260,029

Photo courtesy: Getty

#24. Louisville, Ky.

Risk level: 5.13

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,269,702

Photo courtesy: Getty

#23. Oklahoma City, Okla.

Risk level: 5.25

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,336,767

Photo courtesy: Getty

#22. Memphis, Tenn.

Risk level: 5.26

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,343,230

Photo courtesy: Getty

#21. Nashville, Tenn.

Risk level: 6

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,792,649

Photo courtesy: Getty

#20. Kansas City, Mo.

Risk level: 6.04

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 2,071,133

Photo courtesy: Getty

#19. St. Louis, Mo.

Risk level: 6.13

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 2,806,207

Photo courtesy: Getty

#18. Dallas, Texas

Risk level: 7.11

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 500,000-1,000,000
Population: 6,954,330

Photo courtesy: Getty

#17. Charlotte, NC

Risk level: 7.38

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 2,380,314

Photo courtesy: Getty

#16. Washington, D.C.

Risk level: 7.86

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 6,033,737

Photo courtesy: Getty

#15. Philadelphia, Pa.

Risk level: 7.86

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 10,000-500,000
Population: 6,052,170

Photo courtesy: Getty

#14. Los Angeles, Calif.

Risk level: 7.93

Mosquito level in January: None
Mosquito level in July: Low
Number of people traveling to the U.S. from Zika countries: 500,000-1,000,000
Population: 13,262,220

Photo courtesy: Getty

#13. Savannah, Ga.

Risk level: 7.99

Mosquito level in January: None
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 372,708

Photo courtesy: Getty

#12. Tallahassee, Fla.

Risk level: 7.99

Mosquito level in January: None
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 375,751

Photo courtesy: Getty

#11. Mobile, Ala.

Risk level: 8

Mosquito level in January: None
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 415,123

Photo courtesy: Getty

#10. Charleston, SC

Risk level: 8

Mosquito level in January: None
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 727,689

Photo courtesy: Getty

#9. New Orleans, La.

Risk level: 8.01

Mosquito level in January: None
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,251,849

Photo courtesy: Getty

#8. Atlanta, Ga.

Risk level: 8.13

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 500,000-1,000,000
Population: 5,614,323

Photo courtesy: Getty

#7. Houston, Texas

Risk level: 8.14

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 500,000-1,000,000
Population: 6,490,180

Photo courtesy: Getty

#6. Jacksonville, Fla.

Risk level: 8.38

Mosquito level in January: Low
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 1,419,127

Photo courtesy: Getty

#5. New York, NY

Risk level: 8.49

Mosquito level in January: None
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: 1,000,000-2,000,000
Population: 20,092,883

Photo courtesy: Getty

#4. Brownsville, Texas

Risk level: 8.86

Mosquito level in January: Low
Mosquito level in July: Moderate
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 420,392

Photo courtesy: Getty

#3. Tampa, Fla.

Risk level: 9.14

Mosquito level in January: Low
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: <10,000
Population: 2,915,582

Photo courtesy: Getty

#2. Orlando, Fla.

Risk level: 9.43

Mosquito level in January: Low
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: 500,000-1,000,000
Population: 2,321,418

Photo courtesy: Getty

#1. Miami, Fla.

Risk level: 10

Mosquito level in January: Moderate
Mosquito level in July: High
Number of people traveling to the U.S. from Zika countries: 1,000,000-2,000,000
Population: 5,929,819

Photo courtesy: Getty

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Sonograms showed no signs of birth defects, but after Micaela was born, doctors in Miami spent several weeks running tests on the baby girl.

They discovered calcification in her brain, which is scar-like tissue, as well as a circle-shaped scar in the retina of her left eye.

Read: Zika Researcher Contracts Virus After Accidentally Pricking Herself With Needle

Physicians at the University of Miami say they don't know what effects those conditions will have on the child because so much about the virus remains a mystery.

"The plan right now is to follow her for five to six years," said Dr. Ivan Gonzalez.

Sixteen babies have been born in the U.S. with Zika-related birth defects, according to the Centers for Disease Control and Prevention, which has established a registry to follow pregnant women infected with the virus.

Watch: Pregnant Woman in Miami Hasn't Been Outside in Three Weeks Due to Zika Outbreak/

Pregnant Woman In Miami Hasn't Been Outside In Three Weeks Due To Zika Outbreak

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