International Approach to Eradication and Surveillance for Foot‐and‐Mouth Disease in the Americas

Foot-and-mouth disease (FMD) was introduced into the Americas in 1870. At that time the disease was described simultaneously in the North coast of the United States of North America, the Province of Buenos Aires in Argentina, the central region of Chile, Uruguay, and South Brazil. At the beginning of the twentieth century the disease spread to the rest of Brazil, Bolivia, Paraguay, and Perú. In 1950 the disease was introduced into Venezuela, and in the same year to Colombia, and from there to Ecuador. The United States of America eradicated an outbreak of FMD in 1929. Outbreaks of FMD were also eradicated from Mexico in 1947 and from Canada in 1952. The last outbreak that occurred in Mexico in 1954 was also eradicated. In 1951 the Americas Animal Health Authorities decided to establish a Pan-American Foot-and-Mouth Disease Center (PANAFTOSA), initially as a special program within the American States Organization (OAS). The center was later transferred to the Pan-American Health Organization (PAHO). In the early 1970s PANAFTOSA developed a proposal for a continental surveillance system for vesicular diseases, which was approved by Agriculture Ministers at an International Meeting for FMD and Zoonoses (RICAZ). Since then, PANAFTOSA dedicated all efforts to collaborate with each country in the implementation of the system and to receive, analyze, and distribute a weekly report of vesicular diseases. The model was elaborated using coordinate grid maps, one for the South American Continent, others for each country in the region. The reports from each country consist of the grid location for any suspicious outbreak of vesicular disease. Using the information gathered during visits to the countries, as well as weekly reports, and by studying the most frequent animal movements within the region, PANAFTOSA developed a proposal for FMD eradication. This plan was approved by the Government of South America and implemented in cooperation with PANAFTOSA. The hemispheric plan for FMD eradication (PHEFA), has been implemented and today Chile and Uruguay are FMD free without vaccination; Argentina, Paraguay, and the states of Rio Grande do Sul and Santa Catarina in Brazil are also recognized by the OIE to be FMD Free, with vaccination. The use of the continental surveillance system is the main strategy for achieving the eradication of FMD in South America. At this time PANAFTOSA is working to improve the system, and to add other diseases indicated by the governments of the Americas.

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