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History of Identifcation

] The first major studies on Histoplasma were not conducted until the early twentieth century and were confined to research on the human infecting variety Histoplasma capsulatum. In 1903 Doctor Samuel Taylor Darling was sent down to Panama to address new relevant diseases that were appearing within the Panama Canal worker populations.[6] Samples were taken from patients and identified at the microscopic level. Blood smears showed halo shaped figures invading the blood which Darling falsely claimed to be a protozoan variety of parasite.[9] Several years later in 1912 a Brazilian pathologists Henrique da Rocha-Lima correctly identified the parasite to be a variety of fungus.[6] He was able to correctly identify the equine variety where the species was correctly renamed to Histoplasma capsulatum var. farciminosum (Hisstoplasma farciminosum for short). Further phylogenetic research was concluded following da Rocha-Lima’s research to factually identify this species for its official name change in 1985.[6]


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