![]() ![]() trachomatis infection, particularly as disease prevalence falls. Clinical findings do not necessarily indicate the presence or absence of C. New rapid assessment protocols incorporating techniques for obtaining representative population samples (without census preparation) may give better estimates of the prevalence of clinical trachoma. At the community level, rapid assessments are useful for confirming the absence of trachoma but do not determine the magnitude of the problem in communities where trachoma is present. Clinical grading with the WHO simplified system can be highly repeatable provided graders are adequately trained and standardized. ![]() Trachoma is caused by Chlamydia trachomatis.
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