Objective By analyzing the epidemiological characteristics and trends of brucellosis in Ji'nan City,to provide a scientific basis for further prevention and control of the disease.Methods Serum samples of suspected brucellosis patients were collected from every county (city,district) of Ji'nan City from 2008 to 2014,and these samples were screened by Rose-bengal plate agglutination test (RBPT).Then positive samples were confirmed by Standard tube agglutination test (SAT),and experimental data and results were analyzed by statistics.Results Totally 2713 serum samples of suspected brucellosis patients were tested,and 200 were positive by SAT.Temporal distribution:the serum antibody positive specimens were detected each month throughout the year,and the results showed clear seasonal prevalence by concentrating from March to September (82.07％,151/184).Population distribution:the serum antibody positive rate of males was higher than that of females,the ratio was 2.08:1.00,and the cases were found among 15 to 75 years old,while concentrated from 30 to 65 (67.00％,134/200).Spatial distribution:except Huaiyin District,positive samples were detected in all other 10 counties (cities,districts) of Ji'nan City,most of them (92.5％,185/200) in Shanghe,Zhangqiu,Changqing,Shizhong and Licheng counties (cities,districts).Conclusions Brucellosis epidemic in Ji'nan is serious,and cases have occurred mostly in spring,summer and autumn.It is recommended that health propaganda and education should be strengthened in order to enhance selfprotection awareness of the exposed population,and then improve the physical examination for early discovery,early reporting and early treatment.At the same time,it is important to cooperate with the Department of Livestock to prevent and control brucellosis.

Objective To assess the efficacy and safety of berberine, amoxicillin, lansoprazole, bismuth quadruple therapy for Helicobacter pylori (H.pylori)eradication.Methods From December 2015 to April 2016,566 patients with initial treatment of H.pylori infection were prospectively enrolled.Patients were divided into observation group (berberine, amoxicillin, lansoprazole, bismuth) and control group (clarithromycin, amoxicillin, lansoprazole, bismuth), 283 cases in each group, and the treatment courses in two groups were both 14 days.Four weeks after completion of the treatment, the eradication rate of H.pylori and adverse effect rate of the two groups were compared.Student t test and Chi square test were performed for comparison between the two groups.Results There was no statistically significant difference in the baseline demographic data including gender,age, body mass index (BMI), symptom score between patients of the two groups (all P>0.05).Four weeks after completion of the treatment, the eradication rates of observation group and control group were 87.5%(244/279) and 87.1%(242/278) according to per-protocol analysis, and which were 86.2%(244/283) and 85.5 %(242/283) according to intention-to-treat analysis.There was no statistically significant difference between the two groups (x2=0.021,0.058;both P>0.05).The adverse effect rates of the two groups were 12.5%(35/279) and 16.5%(46/278), and there was no statistically significant difference (x2=1.795,P=0.180).Conclusions Both the new quadruple regimen containing berberine, amoxicillin and bismuth, and the standard quadruple regimen containing clarithromycin, amoxicillin and bismuth both can effectively eradicate H.pylori infection.The new regimen might be recommended as first-line eradication regimen in Xi′an district or area with high clarithromycin resistance.

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