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What is Elek?s test ?

Answer Posted / guest

Antitoxin which has been impregnated in a strip of sterile
filter paper is placed on the surface of the agar medium
after a heavy inoculum is streaked at right angles to the
position of the paper strip, and allowed to incubate for 24
hours. If the organism is toxigenic, a visible line of Ag-
Ab precipitate will form.

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