What question did this study set out to answer?

To evaluate the persistence and ultraviolet disinfection efficacy against human adenovirus 2, murine norovirus 1, and hepatitis A virus in seawater depuration systems.

September 12, 2012Journal of Applied Microbiology

Stability of human enteric viruses in seawater samples from mollusc depuration tanks coupled with ultraviolet irradiation

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Authors

ACAdriana de Abreu CorrêaUniversidade Federal Fluminense DSDóris Sobral Marques SouzaUniversidade Federal de Santa Catarina VMVanessa MorescoUniversidade Federal de Santa Catarina

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Implication

Experimental study reveals ultraviolet irradiation significantly reduces enteric viral loads in seawater depuration tanks, indicating varied persistence across viral pathogens.

Key Points

To evaluate the persistence and ultraviolet disinfection efficacy against human adenovirus 2, murine norovirus 1, and hepatitis A virus in seawater depuration systems.
Seawater samples were artificially seeded with human adenovirus 2 (HAdV2), murine norovirus 1 (MNV-1), and hepatitis A virus (HAV).
Contaminated seawater was treated using a 36 W ultraviolet (UV) lamp or left untreated as a control, with samples collected at 24, 48, 72, 96, and 120 hours.
Viral decay and persistence were quantified using molecular methods and cell culture infectivity assays.
Ultraviolet disinfection achieved >3 log10 reductions for HAdV2 and HAV at 120 hours, and a 4.5 log10 reduction for MNV-1 at 72 hours.
Infectious MNV-1 became undetectable after 72 hours of UV treatment, whereas HAdV2 retained infectivity through 120 hours.
Untreated seawater showed progressive, natural viral reduction over time across all three tested viruses.

Cite This Study

Corrêa et al. (2012) studied this question.

synapsesocial.com/papers/6a9e426017da107d9cbe5d40 https://doi.org/10.1111/jam.12010

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Implication

Experimental study reveals ultraviolet irradiation significantly reduces enteric viral loads in seawater depuration tanks, indicating varied persistence across viral pathogens.

Stability of human enteric viruses in seawater samples from mollusc depuration tanks coupled with ultraviolet irradiation

Discussion

Member takes

Implication

Key Points

Cite This Study

Stability of human enteric viruses in seawater samples from mollusc depuration tanks coupled with ultraviolet irradiation

Discussion

Member takes

Implication

Key Points

Cite This Study

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