Search Results - "Ma, Chunna"

Influenza vaccine effectiveness against medically-attended influenza illness during the 2012–2013 season in Beijing, China by Yang, Peng, Thompson, Mark G, Ma, Chunna, Shi, Weixian, Wu, Shuangsheng, Zhang, Daitao, Wang, Quanyi

“…Abstract Background Influenza vaccine coverage remains low in China, and there is limited information on the preventive value of local vaccination programs…”
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Hygiene Behaviors Associated with Influenza-Like Illness among Adults in Beijing, China: A Large, Population-Based Survey by Wu, Shuangsheng, Ma, Chunna, Yang, Zuyao, Yang, Peng, Chu, Yanhui, Zhang, Haiyan, Li, Hongjun, Hua, Weiyu, Tang, Yaqing, Li, Chao, Wang, Quanyi

“…The objective of this study was to identify possible hygiene behaviors associated with the incidence of ILI among adults in Beijing. In January 2011, we…”
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Surveillance for avian influenza A(H7N9), Beijing, China, 2013 by Yang, Peng, Pang, Xinghuo, Deng, Ying, Ma, Chunna, Zhang, Daitao, Sun, Ying, Shi, Weixian, Lu, Guilan, Zhao, Jiachen, Liu, Yimeng, Peng, Xiaomin, Tian, Yi, Qian, Haikun, Chen, Lijuan, Wang, Quanyi

“…During surveillance for pneumonia of unknown etiology and sentinel hospital-based surveillance in Beijing, China, we detected avian influenza A(H7N9) virus…”
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Influenza Vaccine Effectiveness against Influenza A-Associated Outpatient and Emergency-Department-Attended Influenza-like Illness during the Delayed 2022-2023 Season in Beijing, China by Zhang, Li, Lu, Guilan, Ma, Chunna, Zhang, Jiaojiao, Li, Jia, Duan, Wei, Ma, Jiaxin, Shi, Weixian, Wang, Yingying, Sun, Ying, Zhang, Daitao, Wang, Quanyi, Huo, Da

“…During the 2022-2023 influenza season, the influenza activities in most regions of China were postponed, including Beijing. The unusually delayed influenza…”
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The impact of temperature and humidity measures on influenza A (H7N9) outbreaks—evidence from China by Zhang, Yi, Feng, Cindy, Ma, Chunna, Yang, Peng, Tang, Song, Lau, Abby, Sun, Wenjie, Wang, Quanyi

“…Highlights • Our models flexibly modeled the non-linear effects of meteorological factors and age. • Both minimum and maximum temperature contributed to human…”
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A serological survey of antibodies to H5, H7 and H9 avian influenza viruses amongst the duck-related workers in Beijing, China by Yang, Peng, Ma, Chunna, Shi, Weixian, Cui, Shujuan, Lu, Guilan, Peng, Xiaomin, Zhang, Daitao, Liu, Yimeng, Liang, Huijie, Zhang, Yi, Zhang, Li, Seale, Holly, Wang, Quanyi

“…The continued spread of highly pathogenic avian influenza (HPAI) viruses of H5 and H7 subtypes and low pathogenic avian influenza (LPAI) viruses of H5, H7 and…”
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Influenza vaccine effectiveness against medically attended influenza illness in Beijing, China, 2014/15 season by Ma, Chunna, Pan, Yang, Zhang, Li, Zhang, Yi, Wu, Shuangsheng, Sun, Ying, Duan, Wei, Zhang, Man, Wang, Quanyi, Yang, Peng

“…Influenza vaccination is the most effective way of preventing influenza infections but its coverage is extremely low in China. Poor influenza vaccine…”
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Reduction of influenza A(H3N2)-associated symptoms by influenza vaccination in school aged-children during the 2014-2015 winter season dominated by mismatched H3N2 viruses by Duan, Wei, Zhang, Li, Wu, Shuangsheng, Ma, Chunna, Sun, Ying, Zhang, Man, Zhang, Yi, Zhang, Xingxing, Wang, Quanyi, Yang, Peng

“…Background: Little is known about the vaccine effectiveness (VE) in attenuating the influenza-associated symptoms in children during the 2014-2015 influenza…”
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Moderate influenza vaccine effectiveness against influenza A(H1N1)pdm09 virus and low effectiveness against A(H3N2) virus among older adults during 2013-2014 influenza season in Beijing, China by Zhang, Li, Pan, Yang, Ma, Chunna, Duan, Wei, Sun, Ying, Wu, Shuangsheng, Zhang, Man, Tian, Yi, Zheng, Yang, Yang, Peng, Wang, Quanyi

“…Background: Since 2007, trivalent inactivated influenza vaccine has been provided free-of-charge to older adults aged ≥60 years in Beijing, China, but the data…”
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The role of absolute humidity in influenza transmission in Beijing, China: risk assessment and attributable fraction identification by Zhang, Li, Ma, Chunna, Duan, Wei, Yuan, Jie, Wu, Shuangsheng, Sun, Ying, Zhang, Jiaojiao, Liu, Jue, Wang, Quanyi, Liu, Min

“…To assess the impact of absolute humidity on influenza transmission in Beijing from 2014 to 2019, we estimated the influenza transmissibility via the…”
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Using an influenza surveillance system to estimate the number of SARS-CoV-2 infections in Beijing, China, weeks 2 to 6 2023 by Zhang, Li, Zhang, Yi, Duan, Wei, Wu, Shuangsheng, Sun, Ying, Ma, Chunna, Wang, Quanyi, Zhang, Daitao, Yang, Peng

“…With COVID-19 public health control measures downgraded in China in January 2023, reported COVID-19 case numbers may underestimate the true numbers after the…”
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Mitigated transmission and health impact of COVID-19 in Beijing, China during spring 2024: Comparison with the global trends by Shen, Ying, Feng, Zhaomin, Zhang, Daitao, Wang, Xiaoli, Sun, Ying, Li, Fu, Zhang, Li, Zhang, Jiaojiao, Ma, Chunna, Yang, Peng, Wang, Quanyi

“…[Display omitted]…”
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Using an influenza surveillance system to estimate the number of SARS-CoV-2 infections in Beijing, China, weeks 2 to 6 2023 separator by Zhang, Li, Zhang, Yi, Duan, Wei, Wu, Shuangsheng, Sun, Ying, Ma, Chunna, Wang, Quanyi, Zhang, Daitao, Yang, Peng

“…With COVID-19 public health control measures downgraded in China in January 2023, reported COVID-19 case numbers may underestimate the true numbers after the…”
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Role of presymptomatic transmission of COVID-19: evidence from Beijing, China by Zhang, Yi, Muscatello, David, Tian, Yi, Chen, Yanwei, Li, Shuang, Duan, Wei, Ma, Chunna, Sun, Ying, Wu, Shuangsheng, Ge, Lin, Yang, Peng, Jia, Lei, Wang, Quanyi, MacIntyre, Chandini Raina

“…The presymptomatic transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented in limited clusters, and it is predicted…”
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Influenza vaccination coverage rates among adults before and after the 2009 influenza pandemic and the reasons for non-vaccination in Beijing, China: a cross-sectional study by Wu, Shuangsheng, Yang, Peng, Li, Haiyue, Ma, Chunna, Zhang, Yi, Wang, Quanyi

“…To optimize the vaccination coverage rates in the general population, the status of coverage rates and the reasons for non-vaccination need to be understood…”
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Influenza vaccine effectiveness in preventing laboratory-confirmed influenza in outpatient settings: A test-negative case-control study in Beijing, China, 2016/17 season by Wu, Shuangsheng, Pan, Yang, Zhang, Xinxin, Zhang, Li, Duan, Wei, Ma, Chunna, Zhang, Yi, Zhang, Man, Sun, Ying, Yang, Peng, Wang, Quanyi, Ma, Jun

“…•Information on 2016/17 influenza vaccine effectiveness in China is limited.•Vaccine effectiveness was moderate for A(H1N1)pdm09, but low for A(H3N2).•Amino…”
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Influenza vaccination in preventing outbreaks in schools: A long-term ecological overview by Pan, Yang, Wang, Quanyi, Yang, Peng, Zhang, Li, Wu, Shuangsheng, Zhang, Yi, Sun, Ying, Duan, Wei, Ma, Chunna, Zhang, Man, Zhang, Xingxing, MacIntyre, C. Raina

“…•School-based TIV campaign in Beijing greatly increased the coverage of influenza vaccination.•A significant reduction of influenza outbreaks in Beijing…”
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Influenza Vaccine Effectiveness in Preventing Influenza Illness Among Children During School-based Outbreaks in the 2014–2015 Season in Beijing, China by Zhang, Li, Yang, Peng, Thompson, Mark G, Pan, Yang, Ma, Chunna, Wu, Shuangsheng, Sun, Ying, Zhang, Man, Duan, Wei, Wang, Quanyi

“…BACKGROUND:Little is known about vaccine effectiveness (VE) against nonmedically attended A(H3N2) influenza illness during 2014–2015 when the vaccine component…”
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Estimated burden of group a streptococcal pharyngitis among children in Beijing, China by Wu, Shuangsheng, Peng, Xiaomin, Yang, Zuyao, Ma, Chunna, Zhang, Daitao, Wang, Quanyi, Yang, Peng

“…Burden of Group A streptococcus (GAS) pharyngitis is scarce in developing countries, still unknown in China. The objective of this study was to determine the…”
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An Intense Out-of-Season Rebound of Influenza Activity After the Relaxation of Coronavirus Disease 2019 Restrictions in Beijing, China by Zhang, Li, Duan, Wei, Ma, Chunna, Zhang, Jiaojiao, Sun, Ying, Ma, Jiaxin, Wang, Yingying, Zhang, Daitao, Wang, Quanyi, Liu, Jue, Liu, Min

“…Abstract Background The aim of this study was to investigate the changes of epidemic characteristics of influenza activity pre– and post–coronavirus disease…”
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