tropicalmed-06-00087-v2 (1)

Sexual Transmission of Lyme Borreliosis? The Question That Calls for an Answer

Natalie Rudenko * and Maryna Golovchenko

Citation: Rudenko, N.; Golovchenko, M. Sexual Transmission of LymeBorreliosis? The Question That Calls for an Answer. Trop. Med. Infect. Dis. 2021, 6, 87. tropicalmed6020087

Copyright: © 2021 by the authors.
Licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (

Biology Centre Czech Academy of Sciences, Institute of Parasitology, Branisovska 31, 37005 Ceske Budejovice, Czech Republic;
* Correspondence:; Tel.: +420-387775468


Transmission of the causative agents of numerous infectious diseases might be potentially conducted by various routes if this is supported by the genetics of the pathogen. Various transmission modes occur in related pathogens, reflecting a complex process that is specific for each particular host–pathogen system that relies on and is affected by pathogen and host genetics and ecology,
ensuring the epidemiological spread of the pathogen. The recent dramatic rise in diagnosed cases of Lyme borreliosis might be due to several factors: the shifting of the distributional range of tick vectors caused by climate change; dispersal of infected ticks due to host animal migration; recent urbanization; an increasing overlap of humans’ habitat with wildlife reservoirs and the environment of tick vectors of Borrelia; improvements in disease diagnosis; or establishment of adequate surveillance. The involvement of other bloodsucking arthropod vectors and/or other routes of transmission (human-to-human) of the causative agent of Lyme borreliosis, the spirochetes from the Borrelia burgdorferi sensu lato complex, has been speculated to be contributing to increased disease burden. It does not matter how controversial the idea of vector-free spirochete transmission might seem in the beginning. As long as evidence of sexual transmission of Borrelia burgdorferi both between vertebrate hosts and between tick vectors exists, this question must be addressed. In order to confirm or refute the existence of this phenomenon, which could have important implications for Lyme borreliosis epidemiology, the need of extensive research is obvious and required.




How long must we wait?  I think 40 years is sufficient.

Reminder:  the climate has little to nothing to do with tick and disease proliferation.  Ticks are remarkably ecoadaptive according to independent researchMigrating birds and photo-period have a great hand in it and would explain why tropical ticks are found in Canada (and other Northern climates) and Canadian ticks are found in the topics. Climate change is a popular topic that fits into the current accepted narrative, which is why it is being pushed regarding ticks, despite evidence to the contrary (which is frankly ignored by mainstream research).  Researchers need grant money, and in order to obtain that, they must genuflect to corrupt, mafia overlord Dr. Anthony Fauci, which simply means they must tout the accepted narrative or miss out on funding.  According to a former French Health Minister, real science no longer exists due to the fact Big Pharma is also exerting pressure on scientific publications.

Sad but true.

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