185 Ch 185. Lyme Borreliosis

Northern hemisphere 最常 vector-borne disease; Ixodes hard tick; erythema migrans 1° sign; later carditis (AVB), neuroborreliosis, arthritis (knee); doxycycline 多 effective; 2023 FDA vaccine VLA15 Phase 3 (Valneva/Pfizer) ongoing; 2024 PTLDS (post-treatment Lyme disease syndrome) updates。