Percentage of infants who received the 4-month WCV on time. To meet the 75% aim of all infants receiving 5 recommended WCVs in the first 6 months of life, each WCV category had an 80% timely attendance aim. Northeast Valley and The Children’s Clinic improved on-time 4-month visits by working with DULCE legal partners to address lapses in infants’ Medicaid. LA, Los Angeles.