Honeybee vaccine gets USDA approval, could help bee population growth

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The first vaccine for an insect was approved by the US Department of Agriculture this month.
The drug aims to protect bees from a deadly bacteria that devastates entire colonies.
Honeybees are essential to about one-third of the fruit and produce eaten in the United States.

The first U.S. vaccine meant to address the global decline in honeybees got approval from the Department of Agriculture, in a move that could help one of the planet’s most important pollinators.

The vaccine targets the bacteria blamed for decimating honeybee populations worldwide and could be available later this year.

Biotech company Dalan Animal Health, based in Athens, Ga., gained approval for its prophylactic vaccine to protect honeybees from American foulbrood disease — an aggressive bacterium that can spread quickly from hive to hive, the company announced on Jan. 4.

Honeybees play an essential part in about one-third of the fruit and produce Americans eat. Populations have dramatically declined in recent years due to the increasing pressures of climate change, habitat destruction, pesticide use and disease.

The vaccine contains dead Paenibacillus larvae, the bacteria that causes the illness.

The approval is an exciting step forward for beekeepers, said California State Beekeepers Association board member Trevor Tauzer, and paves the way for more vaccines aimed at controlling harmful viruses and pests.

“If we can prevent an infection in our hives, we can avoid costly treatments and focus our energy on other important elements of keeping our bees health,” Tauzer said in a statement.

How is the vaccine given to a bee?

Bees do not get jabbed with a tiny syringe for this vaccine. Instead, Dalan incorporates the vaccine into royal jelly, a sugar feed given to queen bees, who then go on to produce worker bees with inherited immunity against that pathogen.

Evidence suggests that immunized worker bees could pass immunity to their sisters over time, similar to lactating mothers who transfer immunity to babies through breastmilk, Keith Delaplane, director of the University of Georgia’s Bee Program, said in a statement.