Incidence of Cyclospora and Cryptosporidium in Waters Distributed to Small Drinking...
Transcript of Incidence of Cyclospora and Cryptosporidium in Waters Distributed to Small Drinking...
Incidence of Cyclospora and Cryptosporidium in Waters Distributed to Small Drinking Water Systems in Puerto Rico G I Ramírez toro1, G. Robinson2, R M Chalmers2, H A Minnigh3
1-CECIA, Interamerican University of Puerto Rico. 2-Public Health Wales, Swansea, Wales, UK.
3-The Gabriella and Paul Rosenbaum Foundation, Chicago, IL.
Abstract
Background
Materials & Methods Discussion
References
Mean Indicator Densities and Percent Occurrence
of Cryptosporidium and Cyclospora
Crypto and Cyclo Occurrence is
percent of all samples positive
Results
Indicator
Cryptosporidium Cyclospora
N Mean Std.
Deviation N Mean Std. Deviation
TC Negative 8 303 432.295 8 1653 3405.335
Positive 3 3700 5474.486 3 100 .000
Thermotolerant
Coliforms
Negative 8 66 46.579 8 66 46.579
Positive 3 100 .000 3 100 .000
E.coli Negative 8 78 41.662 8 78 41.662
Positive 3 100 .000 3 100 .000
Enterococci Negative 8 156 343.342 8 269 452.404
Positive 3 340 571.577 3 40 51.962