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Survival of the Avian Influenza Virus (H6N2) After Land Disposal

机译：土地处置后禽流感病毒（H6N2）的存活

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摘要

An integral component in preventing an avian influenza pandemic is containment and disposal of infected bird (poultry) carcasses. Disposal of carcasses in Subtitle D municipal solid waste (MSW) landfills may be an advantageous option due to their large capacities and facility distribution in the U.S. In this study, the survival of H6N2 avian influenza virus (AIV) was measured in a methanogenic landfill leachate and water as a function of temperature, conductivity, and pH. Elevated temperature and nonneutral pH resulted in the quickest inactivation times for AIV in both media, whereas conductivity did not have a significant influence on AIV survival. Media effects were significant and AIV inactivation in leachate was consistently the same or faster than AIV inactivation in water. Based on an initial titer of 10~5 TCID_(50)/mL, calculated inactivation times ranged from 30 days to greater than 600 days, indicating that AIV will remain infectious during and after waste disposal. Disposal of infected carcasses in a MSW landfill may be an appropriate option as inactivation times are within the design life of required barrier systems at Subtitle D landfills.
机译：预防和治疗禽流感大流行的一个不可或缺的组成部分是遏制和处置受感染的禽（家禽）尸体。由于在美国，D市政固体垃圾（MSW）垃圾填埋场的尸体处理能力和设施分布较大，因此在尸体中处置尸体可能是一个有利的选择。和水是温度，电导率和pH的函数。升高的温度和非中性pH值导致两种培养基中AIV的灭活时间最快，而电导率对AIV的存活率没有显着影响。培养基的作用是显着的，并且沥出液中的AIV灭活始终与水中的AIV灭活相同或更快。根据初始滴度10〜5 TCID_（50）/ mL，计算出的灭活时间为30天到600天以上，表明AIV在废物处理期间和之后仍将具有传染性。在MSD垃圾填埋场中处置受感染的尸体可能是一个适当的选择，因为灭活时间在字幕D垃圾填埋场所需的屏障系统的设计寿命内。

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  • 来源
    《Environmental Science & Technology》 |2009年第11期|4063-4067|共5页
  • 作者

    DAVID A.GRAIVER; CHRISTINA L.TOPLIFF; CLAYTON L.KELLING; SHANNON L.BARTELT - HUNT;

  • 作者单位

    Department of Civil Engineering, Peter Kiewit Institute,University of Nebraska-Lincoln, Omaha, Nebraska, United States of America;

    Department of Veterinary Basic Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska,United States of America;

    Department of Veterinary Basic Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska,United States of America;

    Department of Civil Engineering, Peter Kiewit Institute,University of Nebraska-Lincoln, Omaha, Nebraska, United States of America;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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