A:	Is it just that the immune system ceases to function properly
ʌ WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ t WORD_BOUNDARY d̠ʒ ʌ s t WORD_BOUNDARY ð æ t ð ɪ WORD_BOUNDARY ɪ m j uː n WORD_BOUNDARY s ɪ s t ə m WORD_BOUNDARY s iː s ɪ z WORD_BOUNDARY t ə WORD_BOUNDARY f ʌ ŋ k ʃ ə n WORD_BOUNDARY p ɹ ɑ p ə ɹ l i WORD_BOUNDARY