ðə vˈaɪɹəs ɪz spɹˈɛd θɹuː mˈɪlk, səlˈaɪvə, ˈɑːkjʊlɚ sᵻkɹˈiːʃənz, ænd nˈeɪzəl sᵻkɹˈiːʃənz, ænd hˈæzbiːn ʃˈoʊn tə ɹᵻmˈeɪn vˈɪɹələnt aʊtsˈaɪd əvə hˈoʊst fɔːɹ fˈoːɹ mˈʌnθs.
The virus is spread through milk, saliva, ocular secretions, and nasal secretions, and has been shown to remain virulent outside of a host for four months.