Waterbone viruses - the classification of viruses in environmental waters, viral contamination of water, epidemiology; gathering, monitoring and storage of samples - sampling material, control of the sampling personnel and technicians, sampling design for monitoring waters, storage of samples; concentration methods - the gauze pad method, adsorption-elution methods, secondary concentration methods, decontamination of the samples, detoxification of the samples; systems for the detection of viruses - cell cultures, animals; isolation techniques - isolation on cell cultures, isolation by inoculation of mice; identification techniques - identification of viruses provoking a cytopathic effect on cell cultures, identification of the viruses multiplying on cell cultures without provoking a cytopathic effect, identification of viruses isolated from newborn mice, identification without inoculation into susceptible systems; methods for quantifying results - dilution of the samples, enumerative methods, quantal numerative methods, choice of a method of quantification; organization of a virology laboratory for water systems - definitions of work units, equipment for the work units, maintenance of the work units, organization of the work units; conducting a virological analysis - sampling of waste waters, sampling of surface waters, sampling potable water, concentration of the samples, detection of viruses.
