The mothers will not receive any VRC01 or VRC01LS injections. At study entry, all mothers will undergo a medical history review and a blood collection. Infants in Dose Groups 1 and 2 will attend several study visits through Week 48. Infants in Dose Group 3 and 4 will attend several study visits through Week 96. Visits will include a medical history review, physical examination, blood collection, and oral fluid collection.