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Viral diseases in Africa: Preventing the outbreak of acute hepatitis of unknown etiology

iLIVER 2022年第4期1卷 235-236页

作者： Okereke Promise Udohchukwu Innocent Kitandu Paul Margareth Richard Mallya Matilda KBasinda sospeter berling sospeter Juvenali Ruaichi Faculty of Dentistry College of MedicineUniversity of NigeriaNigeria Catholic University of Health and Allied Science MwanzaTanzania YOHAN Research Institute Nigeria

Hepatitis is an inflammation of the *** had been an outbreak of hepatitis of unknown origin among children,where nine pediatric patients in Alabama,United States of America,tested negative for hepatitis viruses(A,B,C,D,and E)and autoimmune *** far,no case has been recorded in *** article seeks to give guidelines on how to prevent its occurrence in *** literatures were reviewed on the background of hepatitis of unknown origin while focusing on World Health Organization publication as regards the outbreaks in other European ***,it is worthy to state that Africa needs to keep its healthcare systems ready to take care of the mechanism by which the outbreak may occur and protect the vulnerable pediatric population from such an outbreak.

关键词： Pediatric Viral Africa Hepatitis Unknown origin Outbreak Acute

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Field Trials of CpGV Virus Isolates Overcoming Resistance to CpGV-M

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Virologica Sinica 2009年第5期24卷 470-477页

作者： M. berling J. -B. Rey S. -J. Ondet Y. Tallot O. Soubabère A. Bonhomme B. Sauphanor M. Lopez-Ferber LGEI Ecole des Mines d'Alès. 30319 Alès. France GRAB. Agroparc 84914 Avignon Cedex 9. France Arysta LifeScience Route d'Artix B.P. 80 64150 Nogueres. France NPP Arysta LifeScience. 35 Avenue Léon Blum. 64000 Pau France Unité PSH. INRA. Agroparc 84914 Avignon Cedex 9. France

The Cydia pomonella granulovirus (CpGV) has been used for many years as biological agent for codling moth control in apple orchards. Resistance to the Mexican strain of CpGV was detected in orchards in Germany, France and Italy. A laboratory insect colony was started from insects collected in a French resistant orchard. It was named RGV. Various virus isolates were identified as active against this resistant insect colony. Field tests were carried out in 2007 to test if the two virus isolates CpGV-I12 and NPP-R1 were effective in the field. Although these virus isolates were not able to reduce insect caused fruit damages, they significantly reduced the overwintering insect populations. NPP-R1 was subjected to eight passages on RGV larvae (NPP-R1.8) that improved its biological activity on RGV larvae. 2008 field trials were set up to test this improved virus strain, compared to CpGV-I12 and Madex plus active on RGV. These tests confirmed the ability to control both in susceptible and resistant insect populations.

关键词：田间试验病毒株阻力昆虫种群有轨小车苹果蠹蛾颗粒体病毒苹果园

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