Mexico - Researchers from UNAM create a gel vaccine against App
http://www.jornada.unam.mx/ultimas/2008/12/04/crean-investigadores-de-la-unam-vacuna-en-gel-para-cerdos
05-Dec-2008 (17 years 6 months 9 days ago)This is the first gel vaccine to be developed in the country that can be given orally and the digestive process of the pigs does not reduce its effectiveness.
The product is an innovation in the area of veterinary pharmacology, not only for the method of administration but also for its content since it attacks the most important serotypes of the Actinobacillus pleuropneumoniae bacteria.