[pdf] Vaccines, Apparent Life-Threatening Events, Barlow's Disease, and Questions about Shaken Baby Syndrome by Michael D. Innis, MBBS  Apparent Life-Threatening Events (ALTEs), as defined by the National Institutes of Health, encompass all the findings hitherto attributed to Shaken Baby Syndrome. (SBS), and may follow routine vaccination. Vaccines may also induce vitamin C deficiency (Barlow's disease), especially in formula-fed infants or infants whose mothers smoke. This could account for some of the changes seen in these infants, including hemorrhages, bruises, and fractures. Vitamin C deficiency should be excluded in patients suspected to have SBS. Michael D Innis