tˈuː θˈaʊzənd nˈaɪn hæv pɹəpˈoʊzd ðə fˈɑːloʊɪŋ mˈɑːdəl: ðə vˈaɪɹəs ˈɛntɚz ðə hˈoʊst sˈɛl vˈaɪəɹ ˌɛndoʊsɪtˈoʊsɪs, fˈɑːloʊd baɪ fjˈuːʒən ʌv ɪts lˈɪpɪd mˈɛmbɹeɪn wɪððə hˈoʊst vˈækjuːˌoʊl mˈɛmbɹeɪn ænd ðə ɹᵻlˈiːs ʌv ɪts nˈuːklɪˌɑːpɹoʊtˌiːn kˈoːɹ ˌɪntʊ ðə sˈaɪɾəplˌæzəm.
(2009) have proposed the following model: The virus enters the host cell via endocytosis, followed by fusion of its lipid membrane with the host vacuole membrane and the release of its nucleoprotein core into the cytoplasm.