From Acquisition to Transmission: Revisiting <i>Bartonella henselae</i> Infection in the Cat Flea ( <i>Ctenocephalides felis</i> )

By integrating findings from artificial feeding systems, natural infection models, and recent advances in bacterial and vector biology, this review provides an updated assessment of the field and identifies key knowledge gaps that must be addressed to fully elucidate this vector-pathogen relationship.