<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Andy Haegeman</style></author><author><style face="normal" font="default" size="100%">Ilse De Leeuw</style></author><author><style face="normal" font="default" size="100%">Laurent Mostin</style></author><author><style face="normal" font="default" size="100%">Willem Van Campe</style></author><author><style face="normal" font="default" size="100%">Wannes Philips</style></author><author><style face="normal" font="default" size="100%">Mehdi Elharrak</style></author><author><style face="normal" font="default" size="100%">Nick De Regge</style></author><author><style face="normal" font="default" size="100%">Kris De Clercq</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Duration of Immunity Induced after Vaccination of Cattle with a Live Attenuated or Inactivated Lumpy Skin Disease Virus Vaccine</style></title><secondary-title><style face="normal" font="default" size="100%">Microorganisms</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">duration of immunity</style></keyword><keyword><style  face="normal" font="default" size="100%">Lumpy skin disease</style></keyword><keyword><style  face="normal" font="default" size="100%">vaccines</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2023</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Jan-01-2023</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">11</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Vaccines have proven themselves as an efficient way to control and eradicate lumpy skin disease (LSD). In addition to the safety and efficacy aspects, it is important to know the duration for which the vaccines confer protective immunity, as this impacts the design of an efficient control and eradication program. We evaluated the duration of immunity induced by a live attenuated vaccine (LSDV LAV) and an inactivated vaccine (LSDV Inac), both based on LSDV. Cattle were vaccinated and challenged after 6, 12 and 18 months for LSDV LAV or after 6 and 12 months for the LSDV Inac. The LSDV LAV elicited a strong immune response and protection for up to 18 months, as no clinical signs or viremia could be observed after a viral LSDV challenge in any of the vaccinated animals. A good immune response and protection were similarly seen for the LSDV Inac after 6 months. However, two animals developed clinical signs and viremia when challenged after 12 months. In conclusion, our data support the annual booster vaccination when using the live attenuated vaccine, as recommended by the manufacturer, which could potentially even be prolonged. In contrast, a bi-annual vaccination seems necessary when using the inactivated vaccine.&lt;/p&gt;
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