5 year old child with pseudomembrane in throat, fever, sore throat, the organism causing is
High-Yield Explanation
Corynebacterium diphtheriaNon-motile, non-capsulated, club-shaped gram-positive bacillusInfect nasopharynx & release exotoxin which cause local inflammation of epithelial surface, the formation of a membrane (pseudomembrane) and toxemia.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 1345 - 1348)