Virus removal from water by a portable water treatment device

Charles P. Gerba, Jamie E. Naranjo, Ellen L. Jones

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Objective. - Few portable point-of-use (POU) devices are available for treatment of water by recreational enthusiasts who may obtain water from untreated sources (rivers, lakes, etc.). This study evaluated a POU device containing a structure matrix capable of removing viruses from water without the use of a disinfectant. Methods. - The unit was evaluated for the removal of poliovirus type 1, rotavirus SA-11, human norovirus, and a wide range of different coliphages exhibiting different isoelectric points, sizes, and shapes. Results. - The removal of all virus types tested exceeded 99.99%. Conclusion. - The tested unit complied with the criteria guidelines for virus removal under the US Environmental Protection Agency's "Guide Standard and Protocol for Testing of Microbiological Water Purifiers".

Original languageEnglish (US)
Pages (from-to)45-49
Number of pages5
JournalWilderness and Environmental Medicine
Issue number1
StatePublished - 2008


  • Norovirus
  • Point-of-use water treatment
  • Viruses
  • Water purification

ASJC Scopus subject areas

  • Emergency Medicine
  • Public Health, Environmental and Occupational Health


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