Nielsen Søren Saxmose, Alvarez Julio, Bicout Dominique Joseph, Calistri Paolo, Depner Klaus, Drewe Julian Ashley, Garin-Bastuji Bruno, Gonzales Rojas José Luis, Gortázar Schmidt Christian, Herskin Mette, Michel Virginie, Miranda Chueca Miguel Ángel, Pasquali Paolo, Roberts Helen Clare, Sihvonen Liisa Helena, Spoolder Hans, Ståhl Karl, Velarde Antonio, Viltrop Arvo, Winckler Christoph, De Clercq Kris, Klement Eyal, Stegeman Jan Arend, Gubbins Simon, Antoniou Sotiria-Eleni, Broglia Alessandro, Van der Stede Yves, Zancanaro Gabriele, Aznar Inma
EFSA J. 2021 Feb 3;19(2):e06403. doi: 10.2903/j.efsa.2021.6403. eCollection 2021 Feb.
EFSA received a mandate from the European Commission to assess the effectiveness of some of the control measures against diseases included in the Category A list according to Regulation (EU) 2016/429 on transmissible animal diseases ('Animal Health Law'). This opinion belongs to a series of opinions where these control measures will be assessed, with this opinion covering the assessment of control measures for African Horse Sickness (AHS). In this opinion, EFSA and the AHAW Panel of experts review the effectiveness of: (i) clinical and laboratory sampling procedures, (ii) monitoring period and (iii) the minimum radius of the protection and surveillance zone, and the minimum duration of measures in these zones. The general methodology used for this series of opinions has been published elsewhere; nonetheless, specific details of the transmission kernels used for the assessment of the minimum radius of the protection and surveillance zones are shown. Several scenarios for which these control measures were assessed were designed and agreed prior to the start of the assessment. In summary, sampling procedures described in the diagnostic manual for AHS were considered efficient for all Equidae considering the high case fatality rate expected. The monitoring period (14 days) was assessed as effective in every scenario, except for those relating to the epidemiological enquiry where the risk manager should consider increasing the monitoring period, based on the awareness of keepers, environmental conditions and the vector abundance in the region. The current protection zone (100 km) comprises more than 95% of the infections from an affected establishment. Both the radius and duration of the zones could be reduced, based on local environmental conditions and the time of year of the first index case. Recommendations provided for each of the scenarios assessed aim to support the European Commission in the drafting of further pieces of legislation relating to AHS.
欧洲食品安全局（EFSA）收到欧盟委员会的授权，根据关于可传播动物疾病的（EU）2016/429号法规（“动物卫生法”），评估针对A类清单中所列疾病的一些控制措施的有效性。本意见属于将对这些控制措施进行评估的一系列意见之一，本意见涵盖对非洲马瘟（AHS）控制措施的评估。在本意见中，EFSA和动物健康与福利专家小组审查了以下方面的有效性：（i）临床和实验室采样程序，（ii）监测期，以及（iii）保护和监测区的最小半径，以及这些区域内措施的最短持续时间。用于这一系列意见的一般方法已在其他地方发表；尽管如此，仍展示了用于评估保护和监测区最小半径的传播模型的具体细节。在评估开始之前，设计并商定了评估这些控制措施的几种情形。总之，考虑到预期的高病死率，AHS诊断手册中描述的采样程序对所有马科动物被认为是有效的。除了与流行病学调查相关的情形外，监测期（14天）在每种情形下都被评估为有效，在这些情形中，风险管理者应根据饲养者的认知、环境条件和该地区病媒数量考虑延长监测期。当前的保护区（100公里）包含了来自受影响场所95%以上的感染源。根据当地环境条件和首例索引病例的年份，保护区的半径和持续时间都可以缩短。为评估的每种情形提供的建议旨在支持欧盟委员会起草与AHS相关的进一步立法。
