Rodríguez-Hernandez J, Canut-Blasco A, Ledesma-Garcia M, Martín-Sánchez AM. Cryptosporidium oocysts in water for human consumption. Comparison of staining methods.
Eur J Epidemiol 1994;
10:215-8. [PMID:
7813701 DOI:
10.1007/bf01730373]
[Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A study was carried out on the presence of oocysts of Cryptosporidium spp. in water for human consumption in the Province of Salamanca, Spain, using four different staining techniques: Ziehl-Neelsen, auramine, indirect immunofluorescence with monoclonal antibodies (Meridian, USA) and direct immunofluorescence with monoclonal antibodies (Pasteur, France). The presence of oocysts was detected in the water used for the washing of sand filters in the four water purifying plants and in the drinking water of two of the six geographical areas studied. The Ziehl-Neelsen and auramine staining techniques were found to have excellent diagnostic correlation. Immunofluorescence stainings with monoclonal antibodies proved to be less sensitive.
Collapse