Prevalence of cystic echinococcosis in Iran: a systematic review and meta-analysis.

As a significant zoonosis, cystic echinococcosis (CE) is endemic in some parts of the world, such as the Middle East. There are studies on the prevalence of this infection in animal and human reservoirs in Iran; hence, we conducted this meta-analysis to elucidate the prevalence of CE in Iran. English (PubMed, Scopus, Web of Science, Science Direct and Google Scholar) and Persian (Magiran, Iran Medex, Iran Doc and SID) databases were explored. In the case of definitive, animal and human intermediate hosts, 37, 90 and 33 studies, respectively, have been included in the current review from January 1990 to December 2015. According to outcomes of the heterogeneity test, either Der Simonian and Laird's random-effects method or Mantel-Haenszel's fixed-effects method were employed to pool the estimations. The pooled prevalence of Echinococcus granulosus infection in definitive hosts was calculated as 23.6% (95% confidence interval (CI) = 17.6-30.1%). The weighted prevalence of animal and human hydatidosis was calculated as 15.6% (95% CI = 14.2-17.1%) and 4.2% (95% CI = 3.0-5.5%), respectively. Meanwhile, most cases of human hydatidosis were in southern Iran, with a prevalence of 5.8% (3.2-9.2%). In terms of human hydatidosis, more infections were found in rural regions, and mostly in female individuals. Egger's regression test revealed publication bias, with a remarkable impact on total prevalence of the infection in animal intermediate hosts (P < 0.001), while it was not significant in human hosts (P = 0.4) and definitive hosts (P = 0.3). According to the weighted estimated prevalence of cystic echinococcosis and its financial burden, implementing appropriate control programmes should be compulsory to decrease the burden of the disease in Iran.

Composition and nutritional value of traditional rural Iranian foods

There are a limited number of studies available on the composition and nutritional value of traditional rural foods in the Islamic Republic of Iran. In this study, an attempt was made to collect information on these foods through a questionnaire by health workers in rural areas of northern, southern, eastern, western and central regions of the country. A total of 24 traditional rural foods and composite dishes were identified. Eshkeneh-daneh and ab-baneh contained high energy and protein contents among plant and mixed [plant and animal] foods, respectively. Their energy density and protein-energy ratio were very high. The calcium content was relatively high in ab-baneh, but the iron content rather low in both. Melon seed in eshkeneh-daneh and local nuts in ab-baneh were the main ingredients in these composite dishes