Ötzi’s Lyme Disease in Context

One of the ancient DNA finds that continues to intrigue me is the discovery of Borrelia burgdorferi, the agent of Lyme disease, in Ötzi the 5300-year-old ice mummy from the Italian Alps. As far as I know, this is the only finding of B. burgdorferi in ancient remains of any date.  I discussed the initial report... Continue Reading →

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General Principles of Zoonotic Landscape Epidemiology

Zoonoses, pathogens with animal reservoirs, exist as part of a complex system of interactions between animal reservoirs, vectors, ecological factors and human interaction. Landscape epidemiology has existed as a field of study since Russian epidemiologist E.N. Pavlovsky coined the term and laid the groundwork in the 1960s. Landscape epidemiology is in essence the study of... Continue Reading →

Metagenomics, Lyme Disease, and the Tyrolean Iceman’s Tattoos

When the genetic analysis of the 5,300 year old Tyrolean Iceman, better known as Ötzi, was published in February, most of the attention was naturally focused on his genomic DNA. His genomic DNA produced some interesting results: he had brown eyes, blood type O+, was probably lactose intolerant and from a southern European gene pool.... Continue Reading →

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