Health experts are debunking claims that Bill Gates engineered the spread of lone star ticks across the U.S. [1].

The situation matters because the surge in tick populations is leading to more cases of Alpha-gal syndrome, a serious medical condition. Misinformation regarding the cause of the outbreak may distract from necessary public health precautions during the peak of tick season.

Lone star ticks, known scientifically as Amblyomma americanum, have seen a population increase in North America, with significant activity reported in Tennessee [1], [3]. This rise coincided with the start of the tick season in May 2026 [3]. While the ticks are a natural biological threat, some public figures have attributed the increase to external manipulation.

Rep. Tim Burchett (R-TN) linked the rise in tick bites to Bill Gates [2]. These claims are part of a broader set of online conspiracy theories that suggest vegans, environmentalists, or the Bill & Melinda Gates Foundation engineered the spread of the insects [2], [4].

Medical experts and fact-checkers have found no evidence to support these assertions [3], [4]. They said the increase in tick populations is the result of natural growth patterns rather than bioengineering [3]. The lone star tick is known for its ability to trigger Alpha-gal syndrome, which causes an allergic reaction to red meat, further complicating the public health response in affected regions [1], [3].

Public health officials continue to advise residents in Tennessee and other affected areas to use repellent, and perform tick checks after spending time outdoors. They said the focus should remain on prevention as the population of these parasites continues to fluctuate naturally [3].

“Experts have found no evidence to support assertions that the tick spread was engineered.”

The intersection of a genuine public health threat and political misinformation creates a risk where citizens may ignore scientific prevention methods in favor of unfounded theories. By attributing natural ecological shifts to a specific individual, the discourse shifts from biological mitigation to political grievance, potentially lowering the efficacy of public health warnings during the 2026 tick season.