sacbrood virus References sacbrood virus Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: colony collapse disorder/ Suspected causesPaenibacillus larvae (American foulbrood), and sacbrood virus. Many of those pathogens are present in increased abundance in hives affected by CCD, though no pathogens have been found definitively to cause the disorder. Read MorePaenibacillus larvae (American foulbrood), and sacbrood virus. Many of those pathogens are present in increased abundance in hives affected by CCD, though no pathogens have been found definitively to cause the disorder. Read More