Which of the following statements is $NOT$ true regarding antibiotics?

  • A
    The term 'antibiotic' was coined by Selman Waksman in $1942$.
  • B
    The first antibiotic was discovered by Alexander Fleming.
  • C
    Every antibiotic is effective against a specific type of germ.
  • D
    Some individuals are allergic to certain specific antibiotics.

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$S$ (Assertion): Alexander Fleming established the full potential of penicillin as an effective antibiotic.
$R$ (Reason): Alexander Fleming discovered penicillin.

Which organism produced the first discovered antibiotic?

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