1. HIV-infected women who have been newly diagnosed within the past 1 year or who are just entering into care at Thomas Street Health Center.

2. Subjects must be 18 years or older.

3. Subjects must have cell phones with texting capability.

4. Ability to speak, read, or understand English or Spanish.

5. Must be willing and able to respond to text messages.

Study of Cell Phone SMS to Improve Adherence to ART in HIV Positive Young Women