| varicella exposure in a neonatal intensive care unit: case report and control measures. | forty-six infants in a neonatal intensive care unit and 138 health care workers were exposed to a pediatric medical resident during the prodromal period and the early days of unrecognized varicella. an attempt was made to prevent an outbreak of additional cases by the institution of emergency control measures. these measures included rapid identification of varicella antibody status in exposed neonates, varicella antibody testing of health care workers with unknown or uncertain history of varice ... | 1988 | 2847598 |