text_original: In primitive times there THE DIFFUSION OF DISEASE. 213 was nothing more effective; but when men began to navigate the seas, and to make roads over or through the hills, the protection afforded by these natural barriers was broken down, and diseases hitherto localised became diffused and almost general. Thus cholera and small  pox, and doubtless many other deadly diseases of the Old World were carried to the New, and to a less ex  tent the diseases of the New World were carried to the Old.
text_transcription: IN PRIMITIVE TIMES THERE WAS NOTHING MORE EFFECTIVE BUT WHEN MEN BEGAN TO NAVIGATE THE SEAS AND TO MAKE ROADS OVER OR THROUGH THE HILLS THE PROTECTION AFFORDED BY THESE NATURAL BARRIERS WAS BROKEN DOWN AND DISEASES HITHERTO LOCALIZED BECAME DIFFUSED AND ALMOST GENERAL THUS CHOLERA AND SMALL POX AND DOUBTLESS MANY OTHER DEADLY DISEASES OF THE OLD WORLD WERE CARRIED TO THE NEW AND TO A LESS EXTENT THE DISEASES OF THE NEW WORLD WERE CARRIED TO THE OLD
phonemes: ɪn pɹˈɪmᵻtˌɪv tˈaɪmz ðɛɹ ðə dᵻfjˈuːʒən ʌv dɪzˈiːz. tˈuːhˈʌndɹɪd θˈɜːtiːn wʌz nˈʌθɪŋ mˈɔːɹ ɪfˈɛktɪv; bˌʌt wɛn mˈɛn bɪɡˈæn tə nˈævɪɡˌeɪt ðə sˈiːz, ænd tə mˌeɪk ɹˈoʊdz ˌoʊvɚ ɔːɹ θɹuː ðə hˈɪlz, ðə pɹətˈɛkʃən ɐfˈɔːɹdᵻd baɪ ðiːz nˈætʃɚɹəl bˈæɹɪɹz wʌz bɹˈoʊkən dˈaʊn, ænd dɪzˈiːzᵻz hˈɪðɚtˌuː lˈoʊkəlˌaɪzd bɪkˌeɪm dᵻfjˈuːzd ænd ˈɔːlmoʊst dʒˈɛnɚɹəl. ðˈʌs kˈɑːlɚɹə ænd smˈɔːl pˈɑːks, ænd dˈaʊtləs mˈɛni ˈʌðɚ dˈɛdli dɪzˈiːzᵻz ʌvðɪ ˈoʊld wˈɜːld wɜː kˈæɹid tə ðə nˈuː, ænd tʊ ɐ lˈɛs ˈɛks tˈɛnt ðə dɪzˈiːzᵻz ʌvðə nˈuː wˈɜːld wɜː kˈæɹid tə ðɪ ˈoʊld.