It was relatively expensive, did not work in young children, only protected against one strain of Lyme disease and was only available in the US. The increasing prevalence of Lyme disease, combined with growing awareness about the threat posed by tick-borne diseases, has attracted new windfalls of government funding, particularly in the US. “The Lyme vaccine was not successful in the past and it is our belief that not enough is understood about the illness to produce a second vaccine,” says Lyme Disease UK cofounder Natasha Metcalf. Lyme disease is a dirty word Prof Kim LewisBecause of such widespread patient scepticism regarding the idea of a Lyme disease vaccine, some researchers have proposed ways of protecting people from becoming infected that do not involve human vaccination. The idea is that the pellets would be widely distributed in the environment in areas where Lyme disease is particularly prevalent and the vaccine would then kill the Lyme disease bacteria inside the ticks feeding on the animals.

Source: The Guardian July 20, 2019 14:01 UTC