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Colwell and researcher Anwarul Huq, her colleague from the University of Maryland Biotechnology Institute, are in the process of determining what the exact relationship is between sea temperatures, phytoplankton blooms, and cholera cases and hope to ultimately use this information to fight cholera on a larger scale, including the possible development of a global cholera warning system, employing both molecular genetic and remote sensing (satellite) technology.
Until then, seeking methods to keep cholera will be a continual challenge for scientists but there are small steps that can be taken. For example, while working in Bangladesh, Dr. Colwell devised a simple method to filter plankton and bacteria when collecting drinking water by covering the mouth of the jar with several layers of sari cloth. The cloth acts as a sieve, filtering out the plankton and particulate matter, thereby removing 99 percent of V. cholerae since these bacteria are predominantly attached to the plankton. Thumbnail">
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