title: Three infants with neonatal pertussis: because of its atypical presentations, pertussis in the neonate may easily be overlooked.
mesh_terms: D001049:Apnea / Q000209:etiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007003:Hypoglycemia / Q000209:etiology; D007114:Immunization; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D011014:Pneumonia / Q000209:etiology; D012005:Rectal Prolapse / Q000209:etiology; D014917:Whooping Cough / Q000150:complications / Q000175:diagnosis* / Q000517:prevention & control