occurrence of giardia intestinalis and cryptosporidium sp. in wastewater samples from são paulo state, brazil, and lima, peru. | the objectives of the study were to detect and genotype cryptosporidium spp. and giardia intestinalis in wastewater samples obtained from five cities with high transit of people in the state of são paulo, brazil, and at the entrance of a wastewater treatment plant (wwtp) in lima, peru. samples were collected and concentrated by centrifugation. the genomic dna was extracted for molecular characterization by nested pcr for cryptosporidium and double nested pcr for giardia, followed by sequencing a ... | 2016 | 27638793 |