Which of the following is $NOT$ a measure for the maintenance of public health?

  • A
    Use of clean water.
  • B
    Proper disposal of waste and excreta.
  • C
    Periodic cleaning and disinfection of water reservoirs.
  • D
    Elimination of mosquitoes.

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Column-$I$Column-$II$
$(P)$ Pertussis$(i)$ Virus
$(Q)$ Dengue$(ii)$ Protozoa
$(R)$ Amoebiasis$(iii)$ Helminth
$(S)$ Filariasis$(iv)$ Bacteria

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