Why Is Lyme Disease Getting Worse?

Thanks to the University of Minnesota for sponsoring this video!
Lyme disease is spreading like wildfire around the world: here's why.
Thanks also to our Patreon patrons and our YouTube members.
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Credits (and Twitter handles):
Script Writer: Peter Reich
Script Editor: David Goldenberg (@dgoldenberg)
Video Illustrator: Arcadi Garcia Rius (@garirius)
Video Directors: David Goldenberg & Julián Gómez (@ittakesii)
Video Narrator: Alex Reich (@alexhreich)
With Contributions From: Henry Reich, Kate Yoshida, Ever Salazar
Music by: Nathaniel Schroeder:
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References:
Brunner, J. L., LoGiudice, K., & Ostfeld, R. S. 2008. Estimating reservoir competence of Borrelia burgdorferi hosts: prevalence and infectivity, sensitivity, and specificity. Journal of medical entomology, 45(1), 139-147.
Keesing, F., et al. 2009. Hosts as ecological traps for the vector of Lyme disease. Proceedings of the Royal Society of London B: Bological Sciences, 276(1675), 3911-3919.
Kilpatrick, A. M. et al. 2017 Lyme disease ecology in a changing world: consensus, uncertainty and critical gaps for improving control. Phil. Trans. R. Soc. B 372: 20160117.
Magnaval, J. F., et al. 2016. A serological survey about zoonoses in the verkhoyansk area, northeastern siberia (sakha republic, Russian federation). Vector-Borne and Zoonotic Diseases, 16(2), 103-109.
Ostfeld, R. S., et al. 2014. Life history and demographic drivers of reservoir competence for three tick-borne zoonotic pathogens. PLoS ONE. .
Ostfeld, R. S., Levi, T. , Keesing, F. , Oggenfuss, K. and Canham, C. D. (2018), Tick‐borne disease risk in a forest food web. Ecology, 99: 1562-1573. doi:10.1002/ecy.2386
Robinson, S. J., et al. 2015. Disease risk in a dynamic environment: the spread of tick-borne pathogens in Minnesota, USA. EcoHealth, 12(1), 152-163.
Scott, J. D. et al. 2017. Lyme disease Bacterium, Borrelia burgdorferi sensu lato, detected in multiple tick species at Kenora, Ontario, Canada. J. Bact. Parasitol, 8.
Vandenesch, A., et al. 2014. Incidence and hospitalisation rates of Lyme borreliosis, France, 2004 to 2012. Eurosurveillance, 19(34), 20883.
Wu, X. B., et al. 2013. Distribution of tick-borne diseases in China. Parasites & Vectors, 6(1), 119.