Fig. 28. Bacterial conjunctivitis among neonates, showing seasonal fluctuations with peaks during third quarter of the year for gonococcal infection, and during the fourth quarter for chlamydial infection, Atlanta, GA, 1967-1973. Note the reduction in cases after the institution of prenatal screening of pregnant women for sexually transmitted disease. (Reproduced by permission of Pediatrics, copyright 1976 [Armstrong JH, Zacarias F, Rein MF: Ophthalmia neonatorum: A chart review. Pediatrics 57:884, 1976].)