Abstract The COVID-19 pandemic represented a global phenomenon during 2020. It has spread over most of the countries in world, leading to infection millions people with death rate 2-3% simultaneously causing serious economic crisis. resulted significant pollution reduction, but effects combat led an increase some special pollutants. In such circumstances water can be considered as cleaning and ...

OBJECTIVE To evaluate the indigenous bacterial strains of drinking water from the most commercial water types including bottled and filtered water that are currently used in Saudi Arabia. METHODS Thirty randomly selected commercial brands of bottled water were purchased from Saudi local markets. Moreover, samples from tap water and filtered water were collected in sterilized glass bottles and...

background: during recent years, overpopulation, increase of wastewater, and drop in water tables has led to high concentration of salts in underground water, which is an important environmental pollutant. if concentration of salt in drinking water exceeds the limits, it will be dangerous for health. the aim of this study was to measure physical and chemical parameters in drinking water of rura...

A wide spectrum of the biological effects of lead and aluminum ions is noted during short-term and long-term oral administration to laboratory animals. The general toxic and gonadotoxic effects of these metals during a short-term experiment appeared to be identical, and the correlation of these effects was preserved during chronic experiments. Lead (0.03 mg/l.) and aluminum (0.5 mg/l.) concentr...

SUMMARY BACKGROUND The recent introduction of sachet water to consumers was to provide safe, hygienic and affordable instant drinking water to the public. Although this is a laudable idea current trends seem to suggest that sachet drinking water could be a route of transmission of enteric pathogens. OBJECTIVE To assess the safety of sachet drinking water. MATERIALS AND METHODS Twenty seven ...