ɹᵻsˈɜːtʃ hɐz ʃˈoʊn ðˈæt, dᵻpˈɛndɪŋ ɔnðə spəsˈɪfɪk stɹˈeɪn ʌvðə vˈaɪɹəs ɪt kæn jˈiːld bᵻtwˌiːn nˈaɪntiːn ænd twˈɛnti sˈɪks pˌɑːlɪpˈɛptaɪdz, sˌʌm ʌvwˈɪtʃ ɑːɹ ɡlˈaɪkəpɹˌoʊtiːnz.
Research has shown that, depending on the specific strain of the virus it can yield between 19 and 26 polypeptides, some of which are glycoproteins.