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2020年世界生猪产业发展情况及2021年趋势 被引量:17
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作者 张海峰 温春燕 李慧琪 《猪业科学》 2021年第2期34-38,共5页
2020年世界猪肉总产量有较大幅度下降,为9788万吨,比2019年下降了4.02%,世界猪肉产量下降的主要原因是中国的生猪产能下滑。中国是世界上最大的猪肉生产国与进口国,2020年中国猪肉进口量为480万吨,比2019年上升了95.84%;占全球进口总量... 2020年世界猪肉总产量有较大幅度下降,为9788万吨,比2019年下降了4.02%,世界猪肉产量下降的主要原因是中国的生猪产能下滑。中国是世界上最大的猪肉生产国与进口国,2020年中国猪肉进口量为480万吨,比2019年上升了95.84%;占全球进口总量的46.31%,比2019年占比上升近17.30个百分点。预计2021年下半年中国生猪出栏量将呈持续增加的态势,年底生猪产能将达到非洲猪瘟疫情之前的水平。中国生猪产能的恢复将带动2021年世界猪肉产量的上升。 展开更多
关键词 世界生猪产业 2020年现状 2021年趋势
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Acceptance and Factors Associated With Participation in Functional Cure–Related Trials Among People Living With HIV: A Cross-sectional Study in Southern China
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作者 Zhaomin Deng Minjuan Shi +9 位作者 Yue Yuan GuangjinCao chunyan wen Lijuan Chen Xueying Fan Linan Wu Jianhui Yuan Huachun Zou Linghua Li Caijun Sun 《Infectious Microbes & Diseases》 CSCD 2024年第1期11-19,共9页
HIV remains a global health challenge,and research efforts directed towards a functional cure require people living with HIV(PLHIV)in-volvement in clinical trials.Our study assessed willingness to participate in HIV f... HIV remains a global health challenge,and research efforts directed towards a functional cure require people living with HIV(PLHIV)in-volvement in clinical trials.Our study assessed willingness to participate in HIV functional cure–related clinical trials and associated fac-tors among PLHIV in Guangzhou,China,using a questionnaire survey approach.We analyzed responses from 718 questionnaires,finding that 71.2%were willing to participate in Phase Ⅲtrials,while 51.7%were willing to participate in Phase I trials and 42.9%expressed acceptability for analytic treatment interruption.Multivariate logistic regression demonstrated that male PLHIV,those with awareness of functional cure,and PLHIV,who had been on antiretroviral therapy(ART)for less than 1 year,were more willing to partic-ipate in Phase Ⅲtrials.Those with a body mass index greater than 24,and those without resistance to ART drug were more willing to participate in Phase I trials.The major motivations for participation in Phase Ⅲtrials were access to cutting-edge treatments(62.6%)and supporting research(55.3%).Safety was the main concern contributing to hesitancy.Our study revealed a high willingness to participate in HIV functional cure–related trials among PLHIV in Guangzhou,China,and willingness varied across different trial phases and was in-fluenced by multiple factors.This study provides valuable references for future clinical trial recruitment strategies and public health policy formulation. 展开更多
关键词 people living with HIV functional cure clinical trials WILLINGNESS
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Persistently low CD4 cell counts are associated with hepatic events in HCV/HIV coinfected patients: data from the national free antiretroviral treatment program of China
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作者 Weiyin Lin Huolin Zhong +11 位作者 chunyan wen Yaozu He Xiaowen Zheng Hong Li Xiejie Chen Haolan He Jinfeng Chen Lijuan Chen Cong Liu Xiaoping Tang Weiping Cai Linghua Li 《Chinese Medical Journal》 SCIE CAS CSCD 2022年第22期2699-2705,共7页
Background: Chronic liver disease has emerged as a leading cause of non-acquired immune deficiency syndrome (AIDS)-related mortality in hepatitis C virus (HCV)/human immunodeficiency virus (HIV)-coinfected patients. T... Background: Chronic liver disease has emerged as a leading cause of non-acquired immune deficiency syndrome (AIDS)-related mortality in hepatitis C virus (HCV)/human immunodeficiency virus (HIV)-coinfected patients. The relationship between CD4 cell count and HIV-related opportunistic infections and tumors has been well characterized;however, it is unclear whether CD4 cell count is associated with HCV-related hepatic events.Methods: This observational cohort study enrolled HCV/HIV-coinfected patients from the National Free Antiretroviral Treatment Program of China from 2004 to 2019 in Guangzhou. The primary outcome was a composite of hepatic events, including cirrhosis complications, hepatocellular carcinoma (HCC), and liver-related mortality. Kaplan-Meier survival and multivariate logistic regression analyses were performed.Results: Among the 793 patients, 43 developed hepatic events during a median follow-up of 6.7 years, including 35 cirrhosis complications, 13 HCC cases, and 14 cases of liver-related mortality. The 5-year and 10-year cumulative incidences of hepatic events were 4.2% and 9.3%, respectively. Patients who developed hepatic events had a less satisfactory increase in CD4 cell count, lower peak CD4 (354.5 cells/μLvs. 560.0 cells/μL,P < 0.001), and lower percentage of peak CD4 > 500 cells/μL (30.2%vs. 60.7%,P < 0.001) after the initiation of antiretroviral therapy (ART) than those who did not. The cumulative incidences of hepatic events were higher in patients with lower peak CD4 levels with adjusted odds ratios of 3.96 (95% confidence interval [CI]: 1.51-10.40), 2.25 (95% CI: 0.87-5.86), and 0.98 (95% CI: 0.35-2.74) for patients with peak CD4 at <200 cells/μL, 200-350 cells/μL, and 351 to 500 cells/μL, respectively, relative to those with peak CD4 > 500 cells/μL. Peak CD4 was negatively associated with the risk of hepatic events in a dose-response manner (P-value for trend = 0.004).Conclusion: Persistently low CD4 cell counts after ART are independently associated with a high risk of hepatic events in HCV/HIV-coinfected patients, highlighting the important role of immune reconstitution in improving liver outcomes. 展开更多
关键词 CD4 cell count CO-INFECTION Hepatic events Hepatitis C virus Human immunodeficiency virus
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