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Abstract Background Colorectal surgery is associated with high rates of surgical site infection (SSI). We investigated SSI in radical resection of colon or rectal carcinoma and its epidemiological distribution in 26 hospitals in China. Methods We conducted prospective surveillance of patients who underwent radical resection of colon or rectal carcinoma in 26 selected hospitals from January 2015 to June 2016.An information system monitored all of the surgical inpatients. Infection control professionals observed the inpatients with suspected SSI who had been screened by the system at the bedside. The infection status of the incisions was followed up by telephone 1 month after the operation. Results In total, 5729 patients were enrolled for the two operations; SSIs occurred in 206 patients, and the infection rate was 3.60%. The incidence of SSI after radical resection of rectal carcinoma (5.12%; 119/2323) was 2.1 times higher than that after radical resection of colon carcinoma (2.55%; 87/3406) (P

Objective: In order to investigate the prevalence of intestinal parasites in captive wild animals in four zoological gardens in Heilongjiang Province of Northeast China. Method: From September 2016 to September 2020, fecal samples were collected from Harbin North Forest Zoo, Jiamusi Water Source Mountain Park, Qiqihar Longsha Zoological and Botanical Gardens, and Jixi City Zoo. The morphological identification of eggs or oocysts was carried out using the water washing precipitation method, saturated saline floatation method, and saturated sucrose floatation method. Results: The overall parasite positive detection rate in the four zoos were 18.33% (33/180), 21.69%(18/83), 22.22%(8/36), and 26.32%(10/38), respectively. The most prevalent parasitic species of Carnivora, Artiodactyla, Perissodactyla, Primates, and Aves were Ascaridoidea, Trichuris spp., and Contracaecum sp. Zoonotic parasites were also observed (Toxocara cati, Spirometra mansoni, Trichostrongylus sp.). Conclusions: The results are beneficial in assisting zoo management to formulate and implement preventive and control measures against the spread of infectious parasitic diseases among the animals or to humans.