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Sero-epidemiology

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https://www.readbyqxmd.com/read/28611853/an-unsettled-debate-about-the-potential-role-of-infection-in-pathogenesis-of-atherosclerosis
#1
REVIEW
Udip Dahal, Dikshya Sharma, Kumud Dahal
Association of infection with atherosclerosis is by no means new. Several sero-epidemiological and pathologic studies as well as animal models have shown a link between infection and atherosclerosis. Exciting discoveries in recent times related to role of inter-individual genetic variation in modulating inflammatory response to infection have reignited the enthusiasm in proving a causal link between infection and atherosclerosis. The purpose of this article was to review and analyze the available evidence linking infection with atherosclerosis...
July 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28599792/a-cross-sectional-survey-measuring-sero-incidence-of-pertussis-infection-among-japanese-junior-and-senior-high-school-students-in-2013-and-2014
#2
Hideyuki Ikematsu, Naoki Kawai, Shigehiro Yajima
Pertussis in adolescents has been increasingly documented in recent years, but diagnosis from the clinical symptoms is difficult. Serological diagnosis with IgG antibody to pertussis toxin (IgG PT) is useful for detecting pertussis cases in this population. However, no serological criterion for recent infection has been fully validated and large-scale, longitudinal serological data among Japanese junior and senior high school students are lacking. Paired serum samples of 3243 junior and senior high school students, collected in 2013 and 2014, were analyzed for IgG PT and its relationship to possible risk factors...
June 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28592087/-analysis-on-sero-epidemiological-characteristics-of-hepatitis-b-virus-among-people-born-during-1994-2001-before-and-after-hepatitis-b-vaccine-catch-up-vaccination-china
#3
F Z Wang, H Zheng, N Miao, X J Sun, G M Zhang, X F Liang, F Q Cui
Objective: To analyze the sero-epidemiological characteristics of hepatitis B virus among people born during 1994-2001, conducted by the national hepatitis B sero-epidemiological surveys in 2006 and 2014. Methods: Based on the data of the two national hepatitis B sero-epidemiological surveys in 2006 and 2014, people born during 1994-2001 were included into our analysis as this study subjects. The two surveys were conducted in 160 disease surveillance points of 31 provinces (not including Hong Kong, Macao and Taiwan) in China...
June 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28577994/comparison-between-two-population-based-hepatitis-b-serosurveys-with-an-8-year-interval-in-shandong-province-china
#4
Jiaye Liu, Jingjing Lv, Bingyu Yan, Yi Feng, Lizhi Song, Aiqiang Xu, Li Zhang, Yongping Yan
BACKGROUND: Tremendous progress has been made in hepatitis B virus (HBV) prevention and control in the last 30 years in China, but it continues to be a major public health problem. The most recently reported population-based seroepidemiological survey on HBV in Shandong Province in China was published in 2006, and an updated baseline for HBV prevalence was badly needed in the province to identify the change in HBV epidemiology in the last decade. METHODS: Two population-based cross-sectional serosurveys were performed among the population aged 1-59 years in the same sample areas in Shandong Province, China in 2006 and 2014, respectively...
May 31, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28468074/-sero-epidemiological-survey-on-hepatitis-b-virus-in-yunnan-province-between-2006-and-2014
#5
W Y Kang, Z Y Tian, Q F Li, L F Zhang, L Xu
Objective: Through two nationwide sero-epidemiological survey programs on hepatitis B virus (HBV), hepatitis B markers in Yunnan province were compared between the findings in 2014 and in 2006. Results were used to understand the HBV epidemic status in Yunnan province and to estimate the efficiency of measures on prevention and control of the disease. Methods: People at the age of 1-29 years were sampled from 6 counties of the National Disease Surveillance sites in Yunnan province, by multi-stage random sampling method...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28468062/-sero-epidemiological-analysis-on-hepatitis-b-among-children-aged-1-14-years-old-born-to-hbsag-positive-mother-in-china-2014
#6
F Z Wang, H Zheng, G M Zhang, N Miao, X J Sun, F Q Cui
Objective: To analyze the sero-epidemiological features of hepatitis B among children aged 1-14 years old who were born to HBsAg positive mothers. Methods: Based on the results from the hepatitis B national sero-survey in 2014, children aged 1-14 years old born to HBsAg positive mother were involved in this study. Positive rates on HBsAg, anti-HBs, anti-HBc by gender, age, nationality, birth place, residency (urban/rural), region (eastern/central/western) and related factors of HBsAg and anti-HBs for children under research, were analyzed by SPSS 18...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28456531/rubella-virus-immunization-status-in-preconception-period-among-chinese-women-of-reproductive-age-a-nation-wide-cross-sectional-study
#7
Qiongjie Zhou, Qiaomei Wang, Haiping Shen, Yiping Zhang, Shikun Zhang, Xiaotian Li, Ganesh Acharya
OBJECTIVE: Population-based studies on sero-epidemiology of Rubella in women before conception are lacking. The aim of this study was to investigate the sero-prevalence of Rubella in a nationwide survey among Chinese women planning to get pregnant within six months. METHODS: This population-based, cross-sectional, sero-survey of Rubella virus infection was a part of the National Free Preconception Health Examination Project covering all 31 provinces in Mainland China...
April 26, 2017: Vaccine
https://www.readbyqxmd.com/read/28438608/serological-evidence-of-hepatitis-e-virus-infection-in-dromedary-camels-in-ethiopia
#8
Tian-Cheng Li, Sayaka Yoshizaki, Xianfeng Zhou, Hiroshi Sentsui, Kazuya Shirato, Shutoku Matsuyama, Simenew Keskes Melaku, Boldbaatar Bazartseren, Naokazu Takeda, Takaji Wakita
The genome of dromedary camel hepatitis E virus (DcHEV) has been detected in stool and serum samples from dromedary camels, but the sero-epidemiological information of DcHEV infection remains unclear. A total of 246 serum samples collected from dromedary camels (Camelus dromedarius) in Ethiopia, and 40 serum samples from Bactrian camels (Camelus ferus) in Mongolia were examined for the detection of anti-DcHEV IgG antibody by a newly developed enzyme-linked immunosorbent assay (ELISA) by using DcHEV-like particles (DcHEV-LPs) as the antigen...
April 21, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28405850/retrospective-study-of-leptospirosis-in-malaysia
#9
REVIEW
Bashiru Garba, Abdul Rani Bahaman, Siti Khairani-Bejo, Zunita Zakaria, Abdul Rahim Mutalib
Leptospirosis is a bacterial disease transmitted to humans and animals by direct or indirect contact with urine or body fluids from infected animals especially rodents. Infection can be associated with wide clinical spectrum varying from asymptomatic to severe multi-organ syndrome with life-threatening consequences. We conducted a review of published studies on incidences, case reports, sero-epidemiological surveys from year 2000 to 2015 using different electronic data bases. Our study revealed that majority of the studies were conducted in Peninsular Malaysia and predominantly among high-risk human groups...
April 12, 2017: EcoHealth
https://www.readbyqxmd.com/read/28344403/toxoplasma-gondii-infection-in-meat-animals-from-africa-systematic-review-and-meta-analysis-of-sero-epidemiological-studies
#10
Aretas Babatoundé Nounnagnon Tonouhewa, Yao Akpo, Philippe Sessou, Camus Adoligbe, Eric Yessinou, Yaovi Gildas Hounmanou, Marc Napoléon Assogba, Issaka Youssao, Souaïbou Farougou
AIM: Toxoplasma gondii is an ubiquitous apicomplexan parasite which causes toxoplasmosis in humans and animals. Felids especially cats are definitive hosts and almost all warm-blooded mammals, including livestock and human can serve as intermediate hosts. Food animals can be reservoirs for T. gondii and act as one of the sources for parasite transmission to humans. The objective of this study is to collect serological data on the prevalence of anti-T. gondii antibody, and risk factors for certain food animals from Africa to provide a quantitative estimate of T...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28315717/exploring-novel-sero-epidemiological-tools-effect-of-different-storage-conditions-on-longitudinal-stability-of-microarray-slides-comprising-influenza-a-measles-and-streptococcus-pneumoniae-antigens
#11
Gudrun S Freidl, Erwin de Bruin, Maarten Schipper, Marion Koopmans
In this study we evaluated the long-term stability of a microarray-based serological screening platform, containing antigens of influenza A, measles and Streptococcus pneumoniae, as part of a preparedness research program aiming to develop assays for syndromic disease detection. Spotted microarray slides were kept at four different storage regimes with varying temperature and humidity conditions. We showed that under the standard storage condition in a temperature-controlled (21°C) and desiccated environment (0% relative humidity), microarray slides remained stable for at least 22 months without loss of antigen quality, whereas the other three conditions (37°C, desiccated; Room temperature, non-desiccated; Frozen, desiccated) produced acceptable results for some antigens (influenza A, S...
March 16, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28287806/trends-in-sero-epidemiology-of-human-immunodeficiency-virus-in-voluntary-blood-donations-in-iran-2008-2013
#12
Maryam Zadsar, Ali Akbar Pourfathollah, Mahboube Rasouli, Gharib Karimi
BACKGROUND: Various strategies are implemented to increase blood safety. However, there is always a small amount of residual risk. The amount of risk is associated with the incidence and prevalence of infection in the community. Since increases in the prevalence and changing the pattern of HIV transmission have been observed in the community, monitoring of HIV prevalence among general population and blood donors is necessary. This study aimed to determine the prevalence of HIV in Iranian blood donations...
March 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28274279/-preliminary-seroepidemiological-survey-of-dengue-infections-in-pakistan-2009-2014
#13
Muhammad Suleman, Hyeong-Woo Lee, Syed Sohail Zahoor Zaidi, Muhammad Masroor Alam, Nadia Nisar, Uzma Bashir Aamir, Salmaan Sharif, Shahzad Shaukat, Adnan Khurshid, Mehar Angez, Massab Umair, Ghulam Mujtaba, Rani Faryal
BACKGROUND: Dengue virus is the causative agent of dengue fever, a vector borne infection which causes self-limiting to life threatening disease in humans. A sero-epidemiological study was conducted to understand the current epidemiology of dengue virus in Pakistan which is now known as a dengue endemic country after its first reported outbreak in 1994. METHODS: To investigate the prevalence of dengue virus in Pakistan during 2009-2014, a total of 9,493 blood samples were screened for the detection of anti-dengue IgM antibodies using ELISA...
March 9, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28270152/a-systematic-review-on-malaria-sero-epidemiology-studies-in-the-brazilian-amazon-insights-into-immunological-markers-for-exposure-and-protection
#14
REVIEW
Pedro M Folegatti, André M Siqueira, Wuelton M Monteiro, Marcus Vinícius G Lacerda, Chris J Drakeley, Érika M Braga
BACKGROUND: Considerable success in reducing malaria incidence and mortality has been achieved in Brazil, leading to discussions over the possibility of moving towards elimination. However, more than reporting and counting clinical cases, elimination will require the use of efficient tools and strategies for measuring transmission dynamics and detecting the infectious reservoir as the primary indicators of interest for surveillance and evaluation. Because acquisition and maintenance of anti-malarial antibodies depend on parasite exposure, seroprevalence rates could be used as a reliable tool for assessing malaria endemicity and an adjunct measure for monitoring transmission in a rapid and cost-effective manner...
March 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28132964/isolation-of-equine-herpesvirus-3-ehv-3-from-equine-coital-exanthema-of-two-stallions-and-sero-epidemiology-of-ehv-3-infection-in-japan
#15
Rikio Kirisawa, Yuko Toishi, Ai Akamatsu, Kosuke Soejima, Taisuke Miyashita, Nobuo Tsunoda
In the spring of 2015, two stallions reared in Farms A and B in Hokkaido in Japan showed symptoms of equine coital exanthema. Equine herpesvirus 3 (EHV-3) was isolated from penis swab samples of both stallions, and the isolates from each stallion in Farms A and B were designated as SS-1 and YS-1 strains, respectively. BamHI restriction profiles of SS-1 and Japanese reference strain Iwate-1 were indistinguishable, but the BamHI-A fragment of YS-1 was larger than those of SS-1 and Iwate-1 by 1.9 kbp because of the lack of two BamHI sites...
March 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28126001/serology-reveals-heterogeneity-of-plasmodium-falciparum-transmission-in-northeastern-south-africa-implications-for-malaria-elimination
#16
Joseph Biggs, Jaishree Raman, Jackie Cook, Khumbulani Hlongwana, Chris Drakeley, Natashia Morris, Ishen Serocharan, Eunice Agubuzo, Philip Kruger, Aaron Mabuza, Alpheus Zitha, Elliot Machaba, Maureen Coetzee, Immo Kleinschmidt
BACKGROUND: It is widely acknowledged that modifications to existing control interventions are required if South Africa is to achieve malaria elimination. Targeting indoor residual spraying (IRS) to areas where cases have been detected is one strategy currently under investigation in northeastern South Africa. This seroprevalence baseline study, nested within a targeted IRS trial, was undertaken to provide insights into malaria transmission dynamics in South Africa and evaluate whether sero-epidemiological practices have the potential to be routinely incorporated into elimination programmes...
January 26, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28101126/characterisation-of-microbial-communities-within-aggressive-prostate-cancer-tissues
#17
Melissa A Yow, Sepehr N Tabrizi, Gianluca Severi, Damien M Bolton, John Pedersen, Graham G Giles, Melissa C Southey
BACKGROUND: An infectious aetiology for prostate cancer has been conjectured for decades but the evidence gained from questionnaire-based and sero-epidemiological studies is weak and inconsistent, and a causal association with any infectious agent is not established. We describe and evaluate the application of new technology to detect bacterial and viral agents in high-grade prostate cancer tissues. The potential of targeted 16S rRNA gene sequencing and total RNA sequencing was evaluated in terms of its utility to characterise microbial communities within high-grade prostate tumours...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28092222/varied-presentations-of-leptospirosis-experience-from-a-tertiary-care-hospital-in-north-india
#18
Rama Chaudhry, Karnika Saigal, Tej Bahadur, Kamla Kant, Bishwanath Chourasia, Nitin Gupta
Leptospirosis has been recognised as an emerging global public health problem. The aim of our study was to explore the epidemiological and clinical pattern of disease occurrence in suspected cases and to search for any existing co-infections. Ours was a retrospective study in patients with acute febrile illness in north India over a period of three years (April 2011 to June 2014). Serological diagnosis of leptospirosis was made using the PanBio IgM ELISA kit. Using modified Faine's criteria, presumptive and possible diagnosis was made in 57% and 34% cases, respectively...
April 2017: Tropical Doctor
https://www.readbyqxmd.com/read/27885295/scrub-typhus-an-emerging-neglected-tropical-disease-in-nepal
#19
B P Upadhyaya, G Shakya, S Adhikari, N Rijal, J Acharya, L Maharjan, B R Marasini
BACKGROUND: Scrub typhus is a neglected tropical disease and is under reported from Nepal. The objective of this study was to investigate the sero-epidemiology of scrub typhus in patients suffering from acute febrile illness. METHODS: A total of 434 specimens collected from July to November 2015 at National Public Health Laboratory (NPHL) were investigated for detection of immunoglobulin M (IgM) antibody to Orientiatsutsugamushi.The Scrub Typhus Detect TM kit (InBios, USA) was used to detect the antibodies to O...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27852634/calibration-and-evaluation-of-quantitative-antibody-titers-for-measles-virus-by-using-the-bioplex-2200
#20
Todd F Hatchette, Heidi Scholz, Shelly Bolotin, Natasha S Crowcroft, Colleen Jackson, Elizabeth McLachlan, Alberto Severini
The BioPlex 2200 (Bio-Rad Laboratories, Hercules, CA) is a rapid, automated platform, which can screen large numbers of specimens for antibodies to measles, mumps, rubella, and varicella. Although approved for producing qualitative results, in this study we validated the test (off-label) to allow reporting of quantitative results. To do this, we used the third anti-measles World Health Organization standard to generate a calibration curve that allowed relative fluorescence intensity to be translated into quantitative antibody titer (antibody units [AU]/ml)...
January 2017: Clinical and Vaccine Immunology: CVI
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