Common types of neonatal infections include: - Sepsis: A systemic infection that can rapidly become life-threatening. - Meningitis: Infection of the membranes covering the brain and spinal cord. - Pneumonia: A respiratory infection that can be acquired during or after birth. - Ophthalmia neonatorum: An eye infection often caused by sexually transmitted infections in the mother. - Gastroenteritis: Infections of the gastrointestinal tract.