The child was pronounced dead days after the incident, police said.
Jake Haro, the father of missing 7-month-old Emmanuel Haro, was sentenced to 25 years to life in prison after he pleaded guilty to the baby's murder.
A 21-year-old cheerleader was charged with abuse of a corpse, tampering with physical evidence, and concealing the birth of an infant.
Southern California officials discussed the presumed death of baby Emmanuel Haro, saying they believe his parents abused him over time.
The mother and father of 7-month-old Emmanuel Haro, who is presumed dead, have both been charged with murder, prosecutors confirmed.
Without treatment, babies who are asymptomatic at birth can begin to show signs of the disease weeks, months or years later.