Although the incidence of pertussis in South America has remained low in recent years, disease rates in Chile remain slightly higher than those of neigboring countries [1-3] – see graph
Surprisingly, DPT vaccination uptake in Chile has continued to be relatively high for over two decades – see graph.
1. Berger SA. Infectious Diseases of Chile, 2012. 383 pp, 90 graphs, 1546 references. Gideon e-books, http://www.gideononline.com/ebooks/country/infectious-diseases-of-chile/
2. Berger SA. Pertussis: Global Status, 2012. 40 pp, 506 graphs, 401 references. Gideon e-books, http://www.gideononline.com/ebooks/disease/pertussis-global-status/
3. Gideon graph tool at http://www.GIDEONonline.com/wp/wp-content/uploads/Gideon-Graphs.pps
Note reproduced on ProMED