Vaccinating the queen bee provides immune protection for all of her offspring, boosting the health of the whole hive.
This Is The First Vaccine For Honey Bees To Stop American Foulbrood
Athens-made honeybee vaccine first in world approved by USDA
World's first vaccine for honeybees approved
USDA approves vaccine for honeybees, a first in the U.S.
US greenlights first vaccine to save honeybees - The Jerusalem Post
First bee vaccine approved - Green Prophet
US Department of Agriculture approves first-ever vaccine for honeybees
US approves world's first honeybee vaccine to protect against foulbrood disease, Conservation
World's first vaccine for bees could save colony declines •
Fighting foulbrood
US approves world's first vaccine for declining honey bees - BBC News
A groundbreaking insect vaccine: Can you bee-lieve it? - The Tufts Daily
How does the world's first vaccine for honeybees work? It's like magic - CBS News