Troubling Thoughts on Plague in Madagascar

Initially, it seemed like just another, now annual, outbreak.  Plague is endemic in Madagascar, producing about 400 infections per year. As of October 13,  there were 684 cases infections with 57 deaths. Four days later (the weekend update), the case number jumped to 804 cases and 74 deaths for a 9.3% mortality rate and pneumonic plague reached 74%... Continue Reading →

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The Microbial Anthropocene

Over the last decade or so, geologists and ecologists have begun to talk about planet earth entering a new geologic period called the Anthropocene, defined as the period when humans became the driving force of change on planet Earth. Debates continue on when the Anthropocene begins; sometime in the late 18th century when the industrial... Continue Reading →

Presentations on the Plague from the European Association of Archaeologists, Vilnius, Lithuania, 2016

I just discovered that most of the presentations from the "Plague in Diachronic and Interdisciplinary Perspective" session of the Europan Association of Archaeologists meeting in Vilnius, Lithuania on 2 September 2016 are now on YouTube.  I think I have collected them all here. Enjoy 3 hours of plague talks! Introduction-Plague in diachronic and Interdisciplinary perspective by... Continue Reading →

Reservoirs of Salt Adapted Yersinia pestis

The Arab Maghreb is one of the most arid environments to host plague reservoirs. The most recent study on the area highlights the proximity of plague foci to salt water, either the Mediterranean Sea, Atlantic Ocean or importantly inland salt lakes (Malek et al, 2016). These inland salt springs, called chotts, are saltier than the ocean.... Continue Reading →

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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