© 2009 American Public Health Association DOI: 10.2105/AJPH.2009.163717
Hsi Hsuan Chen is a retired employee of the World Health Organization. Anthony L-T Chen is the Director of Health of the Tacoma-Pierce County Health Department in Tacoma, WA. Correspondence: Correspondence should be sent to: Anthony L-T Chen, MD, MPH, Tacoma-Pierce County Health Department, 3629 South D St, MS001, Tacoma, WA 98418-6813 (e-mail: achen@tpchd.org). Reprints can be ordered at http://www.ajph.org by clicking on the "Reprints/Eprints" link.
We wish to comment on O'Shaughnessy's article1 on the use of DDT to control malaria from our years of malaria eradication experience.2
From 1948 to 1958, H. H. C. participated in Taiwan's malaria program. In 1950, there were 1.2 million cases of malaria out of a population of 7.5 million.3,4 After a period of DDT indoor residual spraying from 1953 to 1957,3,5–7 the number of cases dropped to 533. Subsequent surveillance, case detection, treatment, and focal indoor residual spraying resulted in only 19 cases in 1965 (out of a population of 12.4 million) and the World Health Organization (WHO) declared
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