Bee doctors?

http://www.bbc.com/earth/story/20141025-honeybees-play-doctors-and-nurses

Honey bees, nurse bees, observed feeding sick bees selected honeys with higher antibiotic properties.

BYU undergrad studying viral defense for American Foulbrood

http://news.discovery.com/animals/insects/virus-may-be-the-cure-for-deadly-honeybee-disease-141027.htm