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Immunization
Recent studies from University of Sao Paulo, Department of Infectious Diseases add new data to immunization
December 24th, 2008
New research, 'Leishmania: origin, evolution and future since the Precambrian,' is the subject of a report. According to a study from Sao Paulo, Brazil, "This brief review discusses the history of leishmaniasis, considering its origin from the Paleoartic, Neoartic or Neotropic. We reassess some of the theories of the likely origin of this protozoan since the beginning of life on Earth, passing through the Mesozoic and continuing to the appearance of humans." "The relationship between this parasite or its ancestors, possible vectors and hosts with regard to ecological modifications is discussed. Recent molecular techniques have helped to elucidate some of the...
Source: Vaccine Weekly (2008-12-24)
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