Dette afslørede begrænsede læsioner som misfarvning og granulom hos størstedelen af dyrene, ligesom nekrose eller fibrose (i ca. halvdelen af dyrene).
18 In clinical studies, post-mortem examination of the injection sites performed at most 50 days after the vaccination revealed limited lesions such as a discoloration and a granuloma in the majority of animals as well as necrosis or fibrosis (in approximately half of the animals).