Detection of airborne influenza and avian influenza viruses from
「Detection of airborne influenza and avian influenza viruses from」於資料集「EPQSummary_EnvironmentalInformationSystem」由單位「行政院環境保護署」的陳先生所提供，聯繫電話是02-2311-7722#2386，最近更新時間為：2023-07-30 01:01:46。 欄位Project Title的內容是Detection of airborne influenza and avian influenza viruses from long term transportation and evaluation of its health effect ， 欄位Project Subject的內容是Recently, the frequency and intensity of dust storm events were getting higher and higher due to the severity of desertification of eastern Asia. In Taiwan, It was investigated that the composition and concentration of airborne fungi before, during and after dust storm events. The results indicated that it is possible to transport airborne fungi by dust storm. Is it possible to transport airborne bacteria and virus by dust storm? The main purpose of the present study is to develop a new sampling and analytical method for airborne influenza viruses and avian influenza viruses quantification by using filtration and real-time qPCR. In addition, the composition and concentration of airborne influenza viruses and avian influenza viruses before, during, and after dust storms were also evaluated to see if it is possible to be transported by dust storm. Furthermore, the relationship between airborne influenza viruses and the hospitalized cases were also assessed.
The sampling and analytical method by using filtration and real-time qPCR for ambient influenza viruses and avian influenza viruses quantification was successfully developed in the present study. To our knowledge, it is the first study successfully detected airborne influenza viruses and avian influenza viruses before, during, and after dust storm events. It was demonstrated the excellent liner range（100 copy/μL ~ 107 copy/μL, R2>0.988）, variation (CV = 0.1 1% ~ 5.0 2%）, and detection limits（<1.1 copy/m3）. In addition, three pieces cassette and high volume sampler were also evaluated and compared. The results showed that three pieces cassette was more suitable for the purpose of the present study. Furthermore, the inhibition effects were also studied for both two sampling sites. It was found that the inhibition effect during dust storm events were higher than routinely sampling days.
In the six suspected dust storm events in 2006, it was found that the airborne influenza virus A were much higher than routinely sampling days in three events on both sampling sites. In addition, the positive rate and airborne influenza concentration of suspected dust storm events were all significantly higher than normal days. For avian influenza viruses, three samples during suspected dust storm events were detectable. Besides, it was observed that the peak of airborne influenza viruses A were earlier than the peak of particulate matter. In regard to the climate factors, the airborne influenza A was significantly related to temperature and rainfall (r=-0.41, p = 0.0006; r=0.30, p = 0.014). For the hospitalized cases, the concentration of airborne influenza virus A during suspected dust storm events in Shimen were significantly related to the 3-week-delay hospitalized cases.
Depend on PM concentration, only one of the six suspected dust storm events reached the warning level in 2006. In our present study, it was not found the relationship between PM concentration and airborne virus concentration. Therefore, it was concluded that airborne influenza virus may transport by airstreams. It is suggested that more frequent monitoring of airstreams might be needed to investigate the relationship between airstreams, airborne influenza virus concentration, and hospitalized cases. In addition, the monitoring results might provide useful data for early warning of excess airborne avian influenza viruses. ， 欄位Project Year的內容是2006 ， 欄位Organizer的內容是Department of Environmental Monitoring ＆amp; Information Management ， 欄位Executive Unit的內容是高雄醫學大學公共衛生學系所 ， 欄位Reporting download URL的內容是https://epq.epa.gov.tw/ProjectDoc/FileDownload?fid=4732&proj_id=A000000360794&doc_kind=1 ， 欄位Publish Date的內容是20070201 。
Project Title
Detection of airborne influenza and avian influenza viruses from long term transportation and evaluation of its health effect
Project Subject
Recently, the frequency and intensity of dust storm events were getting higher and higher due to the severity of desertification of eastern Asia. In Taiwan, It was investigated that the composition and concentration of airborne fungi before, during and after dust storm events. The results indicated that it is possible to transport airborne fungi by dust storm. Is it possible to transport airborne bacteria and virus by dust storm? The main purpose of the present study is to develop a new sampling and analytical method for airborne influenza viruses and avian influenza viruses quantification by using filtration and real-time qPCR. In addition, the composition and concentration of airborne influenza viruses and avian influenza viruses before, during, and after dust storms were also evaluated to see if it is possible to be transported by dust storm. Furthermore, the relationship between airborne influenza viruses and the hospitalized cases were also assessed. The sampling and analytical method by using filtration and real-time qPCR for ambient influenza viruses and avian influenza viruses quantification was successfully developed in the present study. To our knowledge, it is the first study successfully detected airborne influenza viruses and avian influenza viruses before, during, and after dust storm events. It was demonstrated the excellent liner range（100 copy/μL ~ 107 copy/μL, R2>0.988）, variation (CV = 0.1 1% ~ 5.0 2%）, and detection limits（<1.1 copy/m3）. In addition, three pieces cassette and high volume sampler were also evaluated and compared. The results showed that three pieces cassette was more suitable for the purpose of the present study. Furthermore, the inhibition effects were also studied for both two sampling sites. It was found that the inhibition effect during dust storm events were higher than routinely sampling days. In the six suspected dust storm events in 2006, it was found that the airborne influenza virus A were much higher than routinely sampling days in three events on both sampling sites. In addition, the positive rate and airborne influenza concentration of suspected dust storm events were all significantly higher than normal days. For avian influenza viruses, three samples during suspected dust storm events were detectable. Besides, it was observed that the peak of airborne influenza viruses A were earlier than the peak of particulate matter. In regard to the climate factors, the airborne influenza A was significantly related to temperature and rainfall (r=-0.41, p = 0.0006; r=0.30, p = 0.014). For the hospitalized cases, the concentration of airborne influenza virus A during suspected dust storm events in Shimen were significantly related to the 3-week-delay hospitalized cases. Depend on PM concentration, only one of the six suspected dust storm events reached the warning level in 2006. In our present study, it was not found the relationship between PM concentration and airborne virus concentration. Therefore, it was concluded that airborne influenza virus may transport by airstreams. It is suggested that more frequent monitoring of airstreams might be needed to investigate the relationship between airstreams, airborne influenza virus concentration, and hospitalized cases. In addition, the monitoring results might provide useful data for early warning of excess airborne avian influenza viruses.
Project Year
2006
Organizer
Department of Environmental Monitoring ＆amp; Information Management
Executive Unit
高雄醫學大學公共衛生學系所
Reporting download URL
https://epq.epa.gov.tw/ProjectDoc/FileDownload?fid=4732&proj_id=A000000360794&doc_kind=1
Publish Date
20070201
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