text_original: Every step of it has been followed over and over again with the micro  scope, and the final step, the infection of man by infected mosquitoes, has been proved by direct experiment con  ducted with the most rigid precautions against possible sources of fallacy. It has been proved up to the hilt.
text_transcription: EVERY STEP OF IT HAS BEEN FOLLOWED OVER AND OVER AGAIN WITH THE MICROSCOPE AND THE FINAL STEP THE INFECTION OF MAN BY INFECTED MOSQUITOES HAS BEEN PROVED BY DIRECT EXPERIMENT CONDUCTED WITH THE MOST RIGID PRECAUTIONS AGAINST POSSIBLE SOURCES OF FALLACY IT HAS BEEN PROVED UP TO THE HILT
phonemes: ˈɛvɹi stˈɛp ʌv ɪt hˈæzbiːn fˈɑːloʊd ˌoʊvɚ ænd ˌoʊvɚɹ ɐɡˈɛn wɪððə mˈaɪkɹoʊ skˈoʊp, ænd ðə fˈaɪnəl stˈɛp, ðɪ ɪnfˈɛkʃən ʌv mˈæn baɪ ɪnfˈɛktᵻd məskˈiːɾoʊz, hˈæzbiːn pɹˈuːvd baɪ dᵻɹˈɛkt ɛkspˈɛɹɪmənt kˈɑːn dˈʌktᵻd wɪððə mˈoʊst ɹˈɪdʒɪd pɹɪkˈɔːʃənz ɐɡˈɛnst pˈɑːsᵻbəl sˈɔːɹsᵻz ʌv fˈæləsi. ɪt hˈæzbiːn pɹˈuːvd ˌʌp tə ðə hˈɪlt.