Which of the following statements about HIV and AIDS is true?
◦ Untreated HIV-infected expectant mothers pass the virus to the developing organism 10 to 20 percent of the time.
◦ About 15 to 25 percent of prenatal AIDS babies die by 1 year of age.
◦ There are no available drug therapies that reduce prenatal AIDS transmission without harmful consequences.
◦ AIDS progresses very slowly in infants, and rarely leads to death.