Sentence examples for prevalence are needed from inspiring English sources

To test this hypothesis representative data on HIV prevalence are needed, but are not available for the Central Highlands.

Based on the current state of OD prevalence in a number of sub-Saharan African countries, and with the 2015 MDGs rapidly approaching, a clearer understanding of the key driving factors for reducing OD prevalence are needed as well as a stronger focus on providing this most basic foundation for health and development.

A program to modify these risk factors to reduce the prevalence is needed.

In their discussion, Olfson et al. noted that because other factors related to suicide risk also changed over the period, studies, such as ours, that examine whether the association between antidepressants and suicide that they report might be confounded by gun prevalence were needed.

With less immunogenic drug-susceptible TB, higher prevalence is needed to inhibit the spread of MDR-TB strains after they emerge.

Additional epidemiological deta on elderly persons, regarding serum antibody responses and genome prevalence is needed.

Given that many allocation models currently in use employ the prevalence of health problems and health states as need indicators, further work to understand the contribution of delayed diagnosis and shorter survival to regional variations in prevalence is needed.

The reduction of prevalence at latrines and among intermediate hosts suggests that our low-cost approach (Technical Appendix) could have a lasting effect on transmission dynamics; however, further study to assess frequency of distribution and type and dose of baits for sustained prevalence is needed.

Local data including information on HPV (type specific) prevalence is needed for modeling in a decision analytic framework to identify those factors most likely to influence outcomes, provide insight into the cost-effectiveness of different strategies, and assist in early decision-making when weighed against equity, public preferences, and political and cultural constraints.

Therefore, control programmes at herd and regional levels have been established worldwide and prevalence estimates are needed for their implementation.

Local prevalence data are needed to design effective community-based malaria control programs, as endemicity varies greatly within districts.