Knowledge can flow from developing to developed countries

doi:10.1136/bmj.321.7264.830

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Cindy L K Lam, associate professor

Family Medicine Unit, Department of Medicine, University of Hong Kong 3/F, Ap Lei Chau Clinic, Hong Kong SAR, China

EDITOR—I am pleased that this issue of the BMJ explores the many aspects of research in developing countries. The first thing that comes to mind on this issue is how developed countries can teach developing countries, but few people realise that the flow of knowledge can sometimes be reversed. Developed countries can learn and benefit from research in developing countries, particularly from research on infectious diseases and alternative treatments.

More international travel has led to a resurgence of infectious diseases and to a rapid spread …