>Instead, perhaps the cannibalization of EFB larvae merely serves to
transmit the pathogens.
this paper supports the spread of viruses by pupal cannibalism, doesn't seem like a big stretch that EFB could function similarly:
https://www.nature.com/articles/s41598-021-88649-y
is it known how long it generally takes for worker's to defecate after eating if not restricted from flying? a brood break of a few days to allow workers time to clean out the remaining symptomatic cells, then excrete the infective material, should provide a clean slate, no?
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