pˈiəɹɪədz ʌv lˈoʊ dʒɪnˈɛɾɪk daɪvˈɜːsᵻɾi, pɹɪzˈuːməbli ɹɪzˈʌltənt fɹʌm dʒɪnˈɛɾɪk swˈiːps, ɡˈeɪv wˈeɪ tʊ ɪŋkɹˈiːsɪŋ daɪvˈɜːsᵻɾi æz dˈɪfɹənt stɹˈeɪnz ɐdˈæptᵻd tə ðɛɹ ˈoʊn loʊkˈælz.
Periods of low genetic diversity, presumably resultant from genetic sweeps, gave way to increasing diversity as different strains adapted to their own locales.