Over 14% of world has had Lyme disease: study

Lyme disease is the most common illness transmitted by ticks

Lyme disease is the most common illness transmitted by ticks

More than 14 percent of the world's population has had Lyme disease, the most common tick-borne illness, according to a major review of the available research published on Tuesday.

Previous research has shown that the prevalence of tick-borne diseases has doubled in the last 12 years.