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. 1980 Dec;40(6):1115–1121. doi: 10.1128/aem.40.6.1115-1121.1980

Chlorine resistance of poliovirus isolants recovered from drinking water.

P T Shaffer, T G Metcalf, O J Sproul
PMCID: PMC291729  PMID: 6257162

Abstract

Poliovirus 1 isolants were recovered from finished drinking water produced by a modern, well-operated water treatment plant. These waters contained free chlorine residuals in excess of 1 mg/liter. The chlorine inactivation of purified high-titer preparations of two such isolants was compared with the inactivation behavior of two stock strains of poliovirus 1, LSc and Mahoney. The surviving fraction of virus derived from the two natural isolants was shown to be orders of magnitude greater than that of the standard strains. These results raise the question whether indirect drinking water standards based on free chlorine residuals are adequate public health measures, or whether direct standards based on virus determinations might be necessary.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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