The child was pronounced dead days after the incident, police said.
Without treatment, babies who are asymptomatic at birth can begin to show signs of the disease weeks, months or years later.
A 54-year-old woman has been charged with murder after a baby's autopsy showed the manner of death as homicide.
The parents of 4-month-old Brooklyn Fancher have been charged with her death, a year after she was found in a motel room on Houston's west side, the Harris County Sheriff's Office said.
The mother said that after she drove her child to the hospital, authorities, suspicious of her involvement, put her in handcuffs. "I didn't even get to say goodbye to my baby," Allana Gray said.
Darrell Lamar Evans Jr., 21, was arrested and charged with felony child abuse and the first-degree murder of an infant he was babysitting.