Unscramble the letters to get the two words that refer to the requisite proportion of a population being resistant to a disease so as to prevent its continued propagation.
YMENMHTDIUIR

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The Answer of Unscramble the letters to get the two words that refer to the requisite proportion of a population being resistant to a disease so as to prevent its continued propagation.
YMENMHTDIUIR

Unscramble the Letters to Get the Two Words That Refer