“…International guidance for use of palivizumab in infants with inborn metabolic disease (eg, hyperammonemic vs nonhyperammonemic disorders), 10 genetic disorders (eg, Noonan, PTEN mutation, etc), 6,11 or neurodevelopmental disorders (eg, autistic spectrum disorder, myasthenia gravis, etc) 1,12 is less well defined. Decisions regarding palivizumab prophylaxis for children in these groups should be made on clinical grounds and by a case-by-case basis.…”