What question did this study set out to answer?

To measure the susceptibility of hepatitis A virus, coxsackievirus B-5, rotavirus SA-11, and model bacteriophages to 254-nm ultraviolet radiation in buffered water.

February 1, 1993Water Science & Technology

The Inactivation of Hepatitis a Virus and other Model Viruses by UV Irradiation

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Authors

DBDavid A. BattigelliScientific Methods (United States)MSMark D. SobseyUniversity of North Carolina at Chapel Hill DLDavid C. LobeResearch Triangle Park Foundation

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Implication

Laboratory study demonstrates effective inactivation of hepatitis A and model enteric viruses by 254-nm ultraviolet irradiation, suggesting UV light is a viable alternative for water disinfection.

Key Points

To measure the susceptibility of hepatitis A virus, coxsackievirus B-5, rotavirus SA-11, and model bacteriophages to 254-nm ultraviolet radiation in buffered water.
Combined purified stocks of HAV strain HM-175, coxsackievirus B-5, rotavirus SA-11, and bacteriophages MS2 and øX174 in phosphate-buffered water.
Exposed the viral mixture to collimated 254-nm UV radiation in a stirred reactor up to a total dose of 40 mW·s/cm² and measured survival kinetics across dose intervals.
The doses required for a 4 log₁₀ (99.99%) inactivation were 9 mW·s/cm² for øX174, 16 mW·s/cm² for HAV, 29 mW·s/cm² for CB5, and 42 mW·s/cm² for SA-11.
An exposure of 15 mW·s/cm² induced a 7 log₁₀ reduction in øX174, and 20 mW·s/cm² produced at least a 3 log₁₀ reduction in HAV, CB5, and SA-11, whereas bacteriophage MS2 showed highest resistance with less than 1 log₁₀ reduction at 25 mW·s/cm².

Cite This Study

Battigelli et al. (1993) studied this question.

synapsesocial.com/papers/6a97530155a55e94cce32a7d https://doi.org/10.2166/wst.1993.0371

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Implication

Laboratory study demonstrates effective inactivation of hepatitis A and model enteric viruses by 254-nm ultraviolet irradiation, suggesting UV light is a viable alternative for water disinfection.

The Inactivation of Hepatitis a Virus and other Model Viruses by UV Irradiation

Discussion

Member takes

Implication

Key Points

Cite This Study

The Inactivation of Hepatitis a Virus and other Model Viruses by UV Irradiation

Discussion

Member takes

Implication

Key Points

Cite This Study

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