Prediction, risk and control of anti-influenza drugs in the Yodo River Basin, Japan during seasonal and pandemic influenza using the transmission model for infectious disease.
Identifieur interne : 001A04 ( Ncbi/Checkpoint ); précédent : 001A03; suivant : 001A05Prediction, risk and control of anti-influenza drugs in the Yodo River Basin, Japan during seasonal and pandemic influenza using the transmission model for infectious disease.
Auteurs : Takashi Azuma [Japon] ; Norihide Nakada [Japon] ; Naoyuki Yamashita [Japon] ; Hiroaki Tanaka [Japon]Source :
- The Science of the total environment [ 1879-1026 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Antiviraux, Polluants chimiques de l'eau.
- épidémiologie : Grippe humaine, Japon.
- Humains, Modèles biologiques, Pollution chimique de l'eau, Rivières, Surveillance de l'environnement.
- Wicri :
- geographic : Japon.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Antiviral Agents, Water Pollutants, Chemical.
- geographic , epidemiology : Japan.
- chemistry : Rivers.
- epidemiology : Influenza, Human.
- statistics & numerical data : Water Pollution, Chemical.
- transmission : Influenza, Human.
- Environmental Monitoring, Humans, Models, Biological.
Abstract
To reduce the risk of producing an anti-influenza drug-resistant virus from wildfowl, it is important to estimate the concentrations of anti-influenza drugs in river water during an influenza pandemic and to evaluate the concentrations that keep river basins safe. We first created a newly designed infectious disease transmission model based on the Susceptible-Infected-Recovered model. This model was then applied to replicate the transitional changes of three representative anti-influenza drugs, oseltamivir (OS), oseltamivir carboxylate (OC), and zanamivir (ZAN), in the urban area of the Yodo River system, which is one of the major basins in Japan with a population of 12 million; this region contains nearly 10% of the country's flu cases during the seasonal influenza outbreaks between 1999 and 2010. The results showed high correlations between the estimated number of influenza cases and the concentrations of the three investigated anti-influenza drugs with the reported values. We then extended the application of the model to estimate the concentration level of these anti-influenza drugs during the several influenza pandemics. The maximum estimated concentrations for OS, OC, and ZAN were known to be 260-450ng/L, 1500-2600ng/L and 40-70ng/L, respectively, at the peak of the influenza pandemic. These results suggest that it is possible that a drug-resistant influenza virus can originate from wild mallard when there is a large-scale influenza pandemic. However, ozonation before discharge at sewage treatment plants is known to significantly reduce the release of such drugs into the aquatic environment to reduce the risk of a drug-resistant virus outbreak. It was also suggested that further environmental risk could be reduced by decreasing these concentrations further in river water.
DOI: 10.1016/j.scitotenv.2015.03.069
PubMed: 25828414
Affiliations:
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Monitoring</term><term>Humans</term><term>Models, Biological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Humains</term><term>Modèles biologiques</term><term>Pollution chimique de l'eau</term><term>Rivières</term><term>Surveillance de l'environnement</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Japon</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To reduce the risk of producing an anti-influenza drug-resistant virus from wildfowl, it is important to estimate the concentrations of anti-influenza drugs in river water during an influenza pandemic and to evaluate the concentrations that keep river basins safe. We first created a newly designed infectious disease transmission model based on the Susceptible-Infected-Recovered model. This model was then applied to replicate the transitional changes of three representative anti-influenza drugs, oseltamivir (OS), oseltamivir carboxylate (OC), and zanamivir (ZAN), in the urban area of the Yodo River system, which is one of the major basins in Japan with a population of 12 million; this region contains nearly 10% of the country's flu cases during the seasonal influenza outbreaks between 1999 and 2010. The results showed high correlations between the estimated number of influenza cases and the concentrations of the three investigated anti-influenza drugs with the reported values. We then extended the application of the model to estimate the concentration level of these anti-influenza drugs during the several influenza pandemics. The maximum estimated concentrations for OS, OC, and ZAN were known to be 260-450ng/L, 1500-2600ng/L and 40-70ng/L, respectively, at the peak of the influenza pandemic. These results suggest that it is possible that a drug-resistant influenza virus can originate from wild mallard when there is a large-scale influenza pandemic. However, ozonation before discharge at sewage treatment plants is known to significantly reduce the release of such drugs into the aquatic environment to reduce the risk of a drug-resistant virus outbreak. It was also suggested that further environmental risk could be reduced by decreasing these concentrations further in river water. </div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Région du Kansai</li></region><settlement><li>Kyoto</li></settlement><orgName><li>Université de Kyoto</li></orgName></list><tree><country name="Japon"><region name="Région du Kansai"><name sortKey="Azuma, Takashi" sort="Azuma, Takashi" uniqKey="Azuma T" first="Takashi" last="Azuma">Takashi Azuma</name></region><name sortKey="Nakada, Norihide" sort="Nakada, Norihide" uniqKey="Nakada N" first="Norihide" last="Nakada">Norihide Nakada</name><name sortKey="Tanaka, Hiroaki" sort="Tanaka, Hiroaki" uniqKey="Tanaka H" first="Hiroaki" last="Tanaka">Hiroaki Tanaka</name><name sortKey="Yamashita, Naoyuki" sort="Yamashita, Naoyuki" uniqKey="Yamashita N" first="Naoyuki" last="Yamashita">Naoyuki Yamashita</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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