Serological Investigation of Heartland Virus (Bunyaviridae phlebovirus) Exposure in Wild and Domestic Animals Adjacent to Human Case Sites in Missouri, 2012-2013 (American Journal of Tropical Medicine and Hygiene)
The vls Antigenic Variation Systems of Lyme Disease Borelia; Eluding Host Immunity Through Both Random, Segmental Gene Conversion and Framework Heterogeneity (National Center for Biotechnology Information)
This study from 1988 concluded that "the presence of chronic Lyme disease cannot be excluded by the absence of antibodies against B. burgdorferi and that a specific T-cell blastogenic response to B. burgdorferi is evidence of infection in seronegative patients with clinical indications of chronic Lyme disease." They knew this 27 years ago. Lyme is a political disease.
Seronegative Lyme Disease. Dissociation of Specific T- and B-Lymphocyte Responses to Borrelia burgdorferi