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https://www.readbyqxmd.com/read/28647979/-study-on-seasonal-characteristics-and-pathogenic-distribution-of-influenza-in-gansu-province-of-china
#1
X T Yang, X F Liu, J He, D S Yu, D P Liu, H Y Li, B D Li, Y N Bai
Objective: To study the epidemiologic characteristics of influenza in Gansu province of China and to optimize the related vaccination program. Methods: Weekly influenza surveillance data from the first week of 2010 to the fortieth week of 2016 were collected, in Gansu province. χ(2) test was used to compare the differences of nucleic acid positive rate and the virus types in the four seasons. Time series seasonal decomposition (TSSD) was used to explore seasonal patterns and characteristics of influenza epidemics in Gansu...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647973/-study-on-the-immunization-status-and-its-influencing-factors-among-workers-from-the-polio-network-laboratories-in-china
#2
Y S Guo, J Q Wang, C Xu, Y N Liu, X H He, Q Wei
Objective: To Investigate the immune status and influencing factors of provincial polio network laboratory (PNL) workers in China so as to provide evidence for the development of related strategies to protect personnel working at the PNLs. Methods: All the practitioners from the PNLs at the provincial centers for disease control, were selected as objects for this study, from October to December, 2016, under a questionnaire survey. Information on status of immunity and influencing factors was collected, with SAS software, trend chi-square used for statistics analysis...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28646948/generalized-herd-effects-and-vaccine-evaluation-impact-of-live-influenza-vaccine-on-off-target-bacterial-colonisation
#3
Michael J Mina
Interactions between pathogens and commensal microbes are major contributors to health and disease. Infectious diseases however are most often considered independent, viewed within a one-host one-pathogen paradigm and, by extension, the interventions used to treat and prevent them are measured and evaluated within this same paradigm. Vaccines, especially live vaccines, by stimulating immune responses or directly interacting with other microbes can alter the environment in which they act, with effects that span across pathogen species...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646947/measles-immune-suppression-and-vaccination-direct-and-indirect-nonspecific-vaccine-benefits
#4
Michael J Mina
The measles virus is among the most transmissible viruses known to infect humans. Prior to measles vaccination programs, measles infected over 95% of all children and was responsible for over 4 million deaths each year. Measles vaccination programs have been among the greatest public health achievements reducing, eliminating endemic measles in the whole of the Americas and across much of the globe. Where measles vaccines are introduced, unexpectedly large reductions in all-cause childhood mortality have been observed...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28645716/guide-to-active-vaccine-safety-surveillance-report-of-cioms-working-group-on-vaccine-safety-executive-summary
#5
U Heininger, K Holm, I Caplanusi, S R Bailey
In 2013, the Council for International Organizations of Medical Sciences (CIOMS) created a Working Group on Vaccine Safety (WG) to address unmet needs in the area of vaccine pharmacovigilance. Generating reliable data about specific vaccine safety concerns is becoming a priority due to recent progress in the development and deployment of new vaccines of global importance, as well as novel vaccines targeting diseases specifically endemic to many resource-limited countries (RLCs), e.g. malaria, dengue. The WG created a Guide to Active Vaccine Safety Surveillance (AVSS) to assist national regulatory authorities and national immunization program officers in RLCs in determining the best course of action with regards to non-routine pharmacovigilance activities, when confronted with a launch of a new vaccine or a vaccine that is new to their country...
June 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28644696/varicella-vaccination-the-global-experience
#6
Peter Wutzler, Paolo Bonanni, Margaret Burgess, Anne Gershon, Marco Aurélio Sáfadi, Giacomo Casabona
Introduction Varicella, although a frequently benign childhood disease, nevertheless represents a considerable health burden. WHO recommends including varicella vaccines in universal routine vaccination programs, and maintaining coverage >80%. Many countries have successfully introduced varicella vaccination and have benefited from lower disease burden, but many others have not adopted the vaccine. Reasons include cost commitment for a 'mild childhood disease' or concerns that vaccination will shift varicella to older age groups or increase herpes zoster incidence...
June 23, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28640005/intussusception-related-hospitalizations-among-infants-before-and-after-private-market-licensure-of-rotavirus-vaccines-in-taiwan-2001-2013
#7
Catherine Yen, Shu-Man Shih, Jacqueline E Tate, Fang-Tzy Wu, Yhu-Chering Huang, Umesh D Parashar, Chao A Hsiung
INTRODUCTION: Rotavirus is a leading cause of acute gastroenteritis among Taiwanese children. Two globally licensed rotavirus vaccines recommended for inclusion in routine immunization programs that have been available for private market use in Taiwan since 2006 have been associated with a low risk of intussusception in post-marketing studies conducted in several countries. Our objective was to examine trends and characteristics of intussusception hospitalizations in Taiwan among children aged <12 months before and after rotavirus vaccine licensure to provide updated baseline and early post-licensure data...
June 17, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28639095/knowledge-awareness-and-prevention-of-hepatitis-b-virus-infection-among-korean-american-parents
#8
Sarah Hyun, Seulgi Lee, William R Ventura, Joseph McMenamin
Hepatitis B (HB) affects 240 million people around the world, and children and young adults make up a large proportion of the infected population. Approximately 1 million people die from HB each year. Despite the seriousness of HB and its complications, many are poorly linked to clinical care. A lack of health literacy may be a critical barrier hindering access to HB care for adults as well as children in these populations. We, therefore, performed a survey to assess the level of knowledge of HB among Korean American parents...
June 21, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28638727/identification-of-an-immunogenic-neo-epitope-encoded-by-mouse-sarcoma-using-cxcr3-ligand-mrnas-as-sensors
#9
Keisuke Fujii, Yoshihiro Miyahara, Naozumi Harada, Daisuke Muraoka, Mitsuhiro Komura, Rui Yamaguchi, Hideo Yagita, Junko Nakamura, Sahoko Sugino, Satoshi Okumura, Seiya Imoto, Satoru Miyano, Hiroshi Shiku
The CXCR3 ligands CXCL9, 10, and 11 play critical roles in the amplification of immune responses by recruiting CXCR3(+) immune effector cells to the tumor site. Taking advantage of this property of CXCR3 ligands, we aimed to establish a novel approach to identify immunogenic mutated-antigens. We examined the feasibility of using CXCR3 ligand mRNAs as sensors for detection of specific immune responses in human and murine systems. We further investigated whether this approach is applicable for the identification of immunogenic mutated-antigens by using murine sarcoma lines...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28637876/monocyte-derived-dendritic-cells-with-silenced-pd-1-ligands-and-transpresenting-interleukin-15-stimulate-strong-tumor-reactive-t-cell-expansion
#10
Johan Mj Van den Bergh, Evelien Ljm Smits, Zwi N Berneman, Tim Ja Hutten, Hans De Reu, Viggo Fi Van Tendeloo, Harry Dolstra, Eva Lion, Willemijn Hobo
Although allogeneic stem cell transplantation (allo-SCT) can elicit graft-versus-tumor (GVT) immunity, patients often relapse due to residual tumor cells. As essential orchestrators of the immune system, vaccination with dendritic cells (DCs) is an appealing strategy to boost the GVT-response. Nevertheless, durable clinical responses after DC vaccination are still limited, stressing the need to improve current DC vaccines. Aiming to empower DC potency, we engineered monocyte-derived DCs to deprive them of ligands for the immune checkpoint regulated by programmed death 1 (PD-1)...
June 21, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28636869/association-between-sexual-mixing-and-genital-warts-in-heterosexual-men-in-australia-the-herd-protection-from-the-female-human-papillomavirus-vaccination-program
#11
Eric P F Chow, Christopher K Fairley
Australian-born women aged ≤32 years were eligible for the free female human papillomavirus (HPV) vaccination program introduced in 2007. A total of 1165 heterosexual couples attending the Melbourne Sexual Health Centre between 2011 and 2014 were included in this analysis. Findings showed the odds of having penile warts was 0.52-fold lower among men who had a female partner aged ≤32 years compared with men who had a female partners aged >32 years. This suggests men would have received herd protection from their female partners and hence they are at lower risk of acquiring genital warts...
October 2016: Sexual Health
https://www.readbyqxmd.com/read/28634831/malaria-2017-update-on-the-clinical-literature-and-management
#12
REVIEW
Johanna P Daily
PURPOSE OF REVIEW: Malaria is a prevalent disease in travelers to and residents of malaria-endemic regions. Health care workers in both endemic and non-endemic settings should be familiar with the latest evidence for the diagnosis, management and prevention of malaria. This article will discuss the recent malaria epidemiologic and medical literature to review the progress, challenges, and optimal management of malaria. RECENT FINDINGS: There has been a marked decrease in malaria-related global morbidity and mortality secondary to malaria control programs over the last few decades...
June 20, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28634215/vaccination-with-high-affinity-epitopes-impairs-antitumor-efficacy-by-increasing-pd-1expression-on-cd8-t-cells
#13
Christopher D Zahm, Viswa Colluru, Douglas G McNeel
Antitumor vaccines encoding self-antigens generally have low immunogenicity in clinical trials. Several approaches are aimed at improving vaccine immunogenicity, including efforts to alter encoded epitopes. Immunization with epitopes altered for increased affinity for the major histocompatibility complex (MHC) or T-cell receptor (TCR) elicits greater numbers of CD8 T cells but inferior antitumor responses. Our previous results suggested that programmed death 1 (PD-1) and its ligand (PD-L1) increased on antigen-specific CD8 T cells and tumor cells, respectively, after high-affinity vaccination...
June 20, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28633756/immunotherapy-the-wave-of-the-future-in-bladder-cancer
#14
Daniel P Petrylak
Urothelial cell carcinoma (UC) is one of the most common cancers and one of the most deadly. Metastatic UC is particularly hard to treat, because it is typically diagnosed when patients are elderly and have medical comorbidities. Many patients with metastatic UC are unable to receive cisplatin-based chemotherapy, due to older age at diagnosis and comorbidities, and even when platinum chemotherapy can be administered, it has limited success in prolonging survival. Recently, improved understanding of molecular targets and immunologic characteristics of urothelial tumor cells has resulted in new therapeutic approaches that may help optimize first- and second-line therapy...
June 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28631171/qualitative-assessment-of-vaccination-hesitancy-among-members-of-the-apostolic-church-of-zimbabwe-a-case-study
#15
Z Machekanyanga, S Ndiaye, R Gerede, K Chindedza, C Chigodo, M E Shibeshi, J Goodson, F Daniel, L Zimmerman, R Kaiser
Vaccine hesitancy or lack of confidence in vaccines is considered a threat to the success of vaccination programs. The rise and spread of measles outbreaks in southern Africa in 2009-2010 were linked to objections among Apostolic Church members, estimated at about 3.5 million in Zimbabwe as of 2014. To inform planning of interventions for a measles-rubella vaccination campaign, we conducted an assessment of the factors contributing to vaccine hesitancy using data from various stakeholders. Among nine districts in three regions of Zimbabwe, we collected data on religious attitudes toward, and perceptions of, vaccines through focus group discussions with health workers serving Apostolic communities and members of the National Expanded Programme on Immunization; semi-structured interviews with religious leaders; and open-ended questions in structured interviews with Apostolic parents/caregivers...
June 19, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28629921/the-importance-of-vaccine-supply-chains-to-everyone-in-the-vaccine-world
#16
Bruce Y Lee, Leila A Haidari
While the focus of many in the vaccine world has been on developing new vaccines and measuring their effects on humans, failure to understand and properly address vaccine supply chain issues can greatly reduce the impact of any vaccine. Therefore, everyone involved in vaccine decision-making may want to take into account supply chains when making key decisions. In fact, considering supply chain issues long before a vaccine reaches the market can help design vaccines and vaccine programs that better match the system...
June 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28628185/epidemiology-and-prevention-of-influenza-in-children-in-argentina-and-brazil
#17
(no author information available yet)
A group of influenza experts from Argentina and Brazil got together to discuss the burden of influenza in children, review current vaccine coverage rates in both countries, analyze vaccine effectiveness, and discuss strategies to improve prevention. Active surveillance of respiratory viruses is carried out nationwide in both countries. Years 2014 and 2015 were mild influenza seasons; influenza virus type A/H3N2 prevailed, whereas type B represented less than 30% of isolates. Trivalent inactivated influenza vaccine is included in National Immunization Programs for 1) children 6 months to 2 years old in Argentina; 2) children 6 months to 5 years old in Brazil; and 3) all high-risk individuals...
June 8, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28627520/unique-aspects-of-the-perinatal-immune-system
#18
REVIEW
Xiaoming Zhang, Dania Zhivaki, Richard Lo-Man
The early stages of life are associated with increased susceptibility to infection, which is in part due to an ineffective immune system. In the context of infection, the immune system must be stimulated to provide efficient protection while avoiding insufficient or excessive activation. Yet, in early life, age-dependent immune regulation at molecular and cellular levels contributes to a reduced immunological fitness in terms of pathogen clearance and response to vaccines. To enable microbial colonization to be tolerated at birth, epigenetic immune cell programming and early life-specific immune regulatory and effector mechanisms ensure that vital functions and organ development are supported and that tissue damage is avoided...
June 19, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28624927/seroprevalence-and-risk-factors-for-bovine-brucellosis-in-domestic-yaks-bos-grunniens-in-tibet-china
#19
Jiangyong Zeng, Ciren Duoji, Zhenjie Yuan, Silang Yuzhen, Weixing Fan, Lili Tian, Chang Cai, Ian Robertson
A cross-sectional study was conducted in three counties (Damxung, Maizhokunggar and Yadong) in Tibet in April and May 2015. A total of 1,523 yaks owned by 181 herders were randomly selected and blood sampled. Sera were tested using the rose bengal test (RBT) and a competitive immune-enzymatic assay (C-ELISA) and the test results interpreted in parallel. The individual yak prevalence was 2.8% (95% CI 2.0-3.7) with a herd prevalence of 18.2% (95% CI 12.9-24.6). At the individual level, two predictor variables, age and production system, were significantly associated with seropositivity by a binary logistic regression analysis...
June 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28623028/impact-and-cost-effectiveness-of-rotavirus-vaccination-in-bangladesh
#20
Clint Pecenka, Umesh Parashar, Jacqueline E Tate, Jahangir A M Khan, Devin Groman, Stephen Chacko, Md Shamsuzzaman, Andrew Clark, Deborah Atherly
INTRODUCTION: Diarrheal disease is a leading cause of child mortality globally, and rotavirus is responsible for more than a third of those deaths. Despite substantial decreases, the number of rotavirus deaths in children under five was 215,000 per year in 2013. Of these deaths, approximately 41% occurred in Asia and 3% of those in Bangladesh. While Bangladesh has yet to introduce rotavirus vaccination, the country applied for Gavi support and plans to introduce it in 2018. This analysis evaluates the impact and cost-effectiveness of rotavirus vaccination in Bangladesh and provides estimates of the costs of the vaccination program to help inform decision-makers and international partners...
June 13, 2017: Vaccine
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