Stanley M - Cervical cancer screening can be a highly effective secondary intervention, but in the developing world these programmes are either not available or are ineffective. HPV vaccination represents the most effective intervention in that scenario. In countries with successful well-organised cervical cancer screening programmes, such as the UK, the cost-effectiveness of vaccination as opposed to screening is a major factor. Screening will have to continue, as only two of the 15 oncogenic HPV types are in the vaccines and for two to three decades at least unvaccinated sexually active women will remain at risk for the disease. However, if both vaccination and screening are combined then the virtual elimination of cervical cancer and the other HPV 16 and 18-associated cancers is possible.
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