Surface-mediated disease transmission is understudied in developing countries, particularly in light of the evidence that surface concentrations of fecal bacteria typically exceed concentrations in developed countries by 10- to 100-fold. In this study, we examined fecal indicator bacterial contamination of dinner plates at 21 households in four peri-urban communities in the Peruvian Amazon. We also used surveys to estimate household use of and demand for surface disinfectants at 280 households. Despite detecting total coliform, enterococci, and Escherichia coli on 86%, 43%, and 24% of plates sampled, respectively, less than one-third of households were regularly using bleach to disinfect surfaces. Among non-users of bleach, only 3.2% of respondents reported a new demand for bleach, defined as a high likelihood of using bleach within the next year. This study highlights the potential for marketing approaches to increase use of and demand for surface disinfectants to improve domestic hygiene.

译文

在发展中国家,对表面介导的疾病传播的研究不足,特别是鉴于有证据表明,粪便细菌的表面浓度通常比发达国家的浓度高出10至100倍。在这项研究中,我们检查了秘鲁亚马逊地区四个城市周围社区的21户家庭的餐盘粪便指示细菌污染。我们还使用调查来估计280家庭对表面消毒剂的家庭使用和需求。尽管分别在86%,43% 和24% 采样的平板上检测到总大肠菌群,肠球菌和大肠杆菌,但仍有不到3分之1的家庭定期使用漂白剂对表面进行消毒。在非漂白剂使用者中,只有3.2% 的受访者报告了对漂白剂的新需求,定义为在下一年内使用漂白剂的可能性很高。这项研究强调了营销方法的潜力,以增加对表面消毒剂的使用和需求,以改善家庭卫生。

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