By Thomas Leitner, Ph.D. One of the challenges with stemming the spread of HIV lies in understanding how it is spread. Because HIV mutates so rapidly, it has historically been difficult—if not impossible—to trace exactly who transmitted the virus to whom. Without that understanding, it’s easy for the disease to run unfettered through a population—with…

Human Journey

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An image from a Landsat satellite of Brazil, where the Amazon flows into the Rio Negro and Solimoes River. Satellite imagery like this will be coupled with epidemiological data, meteorological data, and Internet data streams to identify conditions that could potentially lead to disease outbreaks. By Nick Generous Public health is like your plumbing: You…

Changing Planet

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Young Explorer Cara Brook is in Madagascar studying the impact of human land development on biodiversity and how it could potentially spread infectious diseases that are transmitted from animals to people. Cara will focus on bubonic plague in small mammals and henipaviruses and lyssaviruses (two strains of viruses) in bats.  ——— PhD student, Christian Ranaivosoa,…


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