NCIt definition : An infectious disorder that occurs during the neonatal period. Representative examples
include streptococcal infection, E.coli infection, and bacterial meningitis.;
Alternative definition : NICHD: A disorder in a newborn infant up to 28 days old resulting from the presence
and activity of a bacterial, fungal, viral, or parasitic agent. It can transmitted
antenatally, perinatally or postnatally.;