text_original: It is difficult to prove a negative; but, so far, there is no obser  vation capable of bearing investigation that would lead us to suppose that malaria can be acquired, under natural conditions, except by mosquito bite. It is also sometimes asked, Do the lower animals suffer from malaria?
text_transcription: IT IS DIFFICULT TO PROVE A NEGATIVE BUT SO FAR THERE IS NO OBSERVATION CAPABLE OF BEARING INVESTIGATION THAT WOULD LEAD US TO SUPPOSE THAT MALARIA CAN BE ACQUIRED UNDER NATURAL CONDITIONS EXCEPT BY MOSQUITO BITES IT IS ALSO SOMETIMES ASKED DO THE LOWER ANIMALS SUFFER FROM MALARIA
phonemes: ɪɾ ɪz dˈɪfɪkəlt tə pɹˈuːv ɐ nˈɛɡətˌɪv; bˌʌt, sˈoʊ fˌɑːɹ, ðɛɹ ɪz nˈoʊ əbzˈɜː vˈeɪʃən kˈeɪpəbəl ʌv bˈɛɹɪŋ ɪnvˌɛstɪɡˈeɪʃən ðæt wʊd lˈiːd ˌʌs tə səpˈoʊz ðæt mælˈɛɹiə kæn biː ɐkwˈaɪɚd, ˌʌndɚ nˈætʃɚɹəl kəndˈɪʃənz, ɛksˈɛpt baɪ məskˈiːɾoʊ bˈaɪt. ɪɾ ɪz ˈɔːlsoʊ sˈʌmtaɪmz ˈæskt, dˈuː ðə lˈoʊɚɹ ˈænɪməlz sˈʌfɚ fɹʌm mælˈɛɹiə?