bees are able to share immunity with other bees and to their offspring in a hive by transmitting RNA 'vaccines' through royal jelly and worker jelly. The jelly is the bee equivalent of mother's milk: a secretion used to provide nutrition to worker and queen bee larvae.
https://phys.org/news/2019-05-discovery-rna-royal-jelly-aid.amp
https://phys.org/news/2019-05-discovery-rna-royal-jelly-aid.amp
Let me never fall into the vulgar mistake of dreaming that I am persecuted whenever I am contradicted - Ralph Waldo Emerson