6 Questions Answered About a New Tool for Protecting Pollinators Honeybees, which pollinate one-third of the crops Americans eat, face many threats, including infectious diseases. On Jan. 4, 2023, a Georgia biotechnology company called Dalan Animal Health announced that it had received a conditional license from the U.S. Department of Agriculture for a vaccine designed to protect honeybees against American foulbrood, a highly destructive infection. To receive a conditional license, which usually lasts for one year and is subject to further evaluation by the USDA, veterinary biological products must be shown to be pure, safe and reasonably likely to be…