has role immunizes against pathogen Babesia canis vaccine in research role Babesia canis vaccine Trichinella spiralis vaccine SL3261 expressing Trichinella spiralis Ag30 vaccine Oliver He SL3261 expressing T. spiralis Ag30 Ningxian Fan Ronak Sutariya vaccine 3969 VIOLIN: https://violinet.org/vaxquery/vaccine_detail.php?c_vaccine_id=3969