<![CDATA[Upper respiratory tract infection or ARI is an acute infection that attacks one component of the upper respiratory tract. West Nusa Tenggara Province has the highest incidence of ARI. In 2016 there were 16,085 cases of ARI in children under five, and in Bima Regency there were 1,429 cases of ARI cases in Bima, which were 1,429 cases in 2016. The benefits of zinc for human health are enormous, this mineral is very helpful for various body functions to run normally. This study was to determine the effect of zinc supplementation on the healing period of ARI and its prevention in children aged 2-5 years in the Work Area of the Madapangga Community Health Center, Madapangga District, Bima Regency in 2018. This type of research was analytical survey research, the design of this study was Quasi-experimental model "Pretest-Posttest. Control Group Design”. The population of this research were toddlers who seek treatment at Madapangga Public Health Center, Bima Regency, with population size of 40 children under five. The sample in this study were toddlers who suffer from ARI, the sampling was using the Quota Sampling technique of 40 toddlers. Research variables were healing period and prevention of ARI. Collecting data using observation sheets and questionnaires. Statistical data analysis used Wilcoxon Signed Rank Test, with a significance level of α]]>
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