A lab-stage mRNA vaccine targeting ticks may offer protection against Lyme and other tick-borne diseases Posted byAndaleeb Sajid November 17, 2021November 17, 2021 Leave a comment on A lab-stage mRNA vaccine targeting ticks may offer protection against Lyme and other tick-borne diseases The study found that ticks were unable to feed on guinea pigs vaccinated with an mRNA vaccine, preventing transmission of the pathogen that causes Lyme disease.