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Vaccine in developing countries

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https://www.readbyqxmd.com/read/29792776/prevalence-of-inadequate-immunity-to-measles-mumps-rubella-and-varicella-in-mlb-and-nba-athletes
#1
Justin J Conway, Brett G Toresdahl, Daphne I Ling, Nicole T Boniquit, Lisa R Callahan, James J Kinderknecht
BACKGROUND: Multiple outbreaks of vaccine-preventable viral diseases have occurred in professional sports in recent years. Currently, there is no established protocol for vaccination or immunity screening for professional athletes. HYPOTHESIS: There are significant differences in the prevalence of inadequate immunity dependent on age, sport, country of birth, and participation in collegiate sports. STUDY DESIGN: Cross-sectional cohort study...
May 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29791553/epidemiological-aspects-clinical-manifestations-and-prevention-of-pediatric-tuberculosis-from-the-perspective-of-the-end-tb-strategy
#2
Anna Cristina Calçada Carvalho, Claudete Aparecida Araújo Cardoso, Terezinha Miceli Martire, Giovanni Battista Migliori, Clemax Couto Sant'Anna
Tuberculosis continues to be a public health priority in many countries. In 2015, tuberculosis killed 1.4 million people, including 210,000 children. Despite the recent progress made in the control of tuberculosis in Brazil, it is still one of the countries with the highest tuberculosis burdens. In 2015, there were 69,000 reported cases of tuberculosis in Brazil and tuberculosis was the cause of 4,500 deaths in the country. In 2014, the World Health Organization approved the End TB Strategy, which set a target date of 2035 for meeting its goals of reducing the tuberculosis incidence by 90% and reducing the number of tuberculosis deaths by 95%...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29789241/vaccines-inspiring-innovation-in-health
#3
Sonia Pagliusi, Maureen Dennehy, Hun Kim
This report covers the topics of pandemics, epidemics and partnerships, including regulatory convergence initiatives, new technologies and novel vaccines, discussed by leading public and private sector stakeholders at the 18th Annual General Meeting (AGM) of the Developing Countries Vaccine Manufacturers' Network (DCVMN). Contributions of Gavi and the vaccine industry from emerging countries to the growing global vaccine market, by improving the supply base from manufacturers in developing countries and contributing to 58% of doses, were highlighted...
May 19, 2018: Vaccine
https://www.readbyqxmd.com/read/29785893/evaluating-vaccination-strategies-to-control-foot-and-mouth-disease-a-country-comparison-study
#4
T G Rawdon, M G Garner, R L Sanson, M A Stevenson, C Cook, C Birch, S E Roche, K A Patyk, K N Forde-Folle, C Dubé, T Smylie, Z D Yu
Vaccination is increasingly being recognised as a potential tool to supplement 'stamping out' for controlling foot-and-mouth disease (FMD) outbreaks in non-endemic countries. Infectious disease simulation models provide the opportunity to determine how vaccination might be used in the face of an FMD outbreak. Previously, consistent relative benefits of specific vaccination strategies across different FMD simulation modelling platforms have been demonstrated, using a UK FMD outbreak scenario. We extended this work to assess the relative effectiveness of selected vaccination strategies in five countries: Australia, New Zealand, the USA, the UK and Canada...
May 22, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29785215/mycobacteriosis-and-tuberculosis-laboratory-diagnosis
#5
REVIEW
Davood Azadi, Tahereh Motallebirad, Kazem Ghaffari, Hasan Shojaei
Background: Tuberculosis is one of the most important infectious diseases that has claimed its victims throughout much of known human history. With Koch's discovery of the tubercle bacillus as the etiologic agent of the disease, his sanitary and hygienic measures, which were based on his discovery and the development of a vaccine against tuberculosis by Albert Calmette and Camille Guérin in 1921, an attenuated Mycobacterium bovis strain, bacilli Calmette-Guérin (BCG), and the discovery of the first antibiotic against tuberculosis, streptomycin by Selman Waksman in 1943, soon led to the opinion that appropriate control measures had become available for tuberculosis and it had been assumed that the disease could ultimately be eradicated...
2018: Open Microbiology Journal
https://www.readbyqxmd.com/read/29781815/lymph-node-fibrosis-a-structural-barrier-to-unleashing-effective-vaccine-immunity
#6
Boris Julg, Galit Alter
There is marked variability in vaccine efficacy among global populations. In particular, individuals in low- to middle-income countries have been shown to be less responsive to vaccines than those from developed nations. Several factors, including endemic infections, nutrition, genetics, and gut microbiome composition, have been proposed to underlie discrepancies in vaccine response. In this issue of the JCI, Kityo et al. evaluated response to yellow fever virus vaccine, inflammation, and lymphatic tissue architecture and fibrosis in three cohorts: two from the U...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29780771/proposal-for-cervical-cancer-screening-in-the-era-of-hpv-vaccination
#7
REVIEW
Yung-Taek Ouh, Jae Kwan Lee
Eradication of cervical cancer involves the expansion of human papillomavirus (HPV) vaccine coverage and the development of efficient screening guidelines that take vaccination into account. In Korea, the HPV National Immunization Program was launched in 2016 and is expected to shift the prevalence of HPV genotypes in the country, among other effects. The experiences of another countries that implement national immunization programs should be applied to Korea. If HPV vaccines spread nationwide with broader coverage, after a few decades, cervical intraepithelial lesions or invasive cancer should become a rare disease, leading to a predictable decrease in the positive predictive value of cervical screening cytology...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29778396/how-effective-are-approaches-to-migrant-screening-for-infectious-diseases-in-europe-a-systematic-review
#8
REVIEW
Farah Seedat, Sally Hargreaves, Laura B Nellums, Jing Ouyang, Michael Brown, Jon S Friedland
Rates of migration to Europe, and within Europe, have increased in recent years, with considerable implications for health systems. Migrants in Europe face a disproportionate burden of tuberculosis, HIV, and hepatitis B and C, yet experience a large number of barriers to accessing statutory health care on arrival. A better understanding of how to deliver effective and cost-effective screening, vaccination, and health services to this group is now crucial. We did a systematic review to document and assess the effectiveness and cost-effectiveness of approaches used for infectious diseases screening, and to explore facilitators and barriers experienced by migrants to accessing screening programmes...
May 16, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29776750/safety-and-immunogenicity-of-a-vi-dt-typhoid-conjugate-vaccine-phase-i-trial-in-healthy-filipino-adults-and-children
#9
Maria Rosario Capeding, Samuel Teshome, Tarun Saluja, Khalid Ali Syed, Deok Ryun Kim, Ju Yeon Park, Jae Seung Yang, Yang Hee Kim, Jiwook Park, Sue-Kyoung Jo, Yun Chon, Sudeep Kothari, Seon-Young Yang, Dong Soo Ham, Ji Hwa Ryu, Hee-Seong Hwang, Ju-Hwan Mun, Julia Lynch, Jerome Kim, Hun Kim, Jean-Louis Excler, Sushant Sahastrabuddhe
BACKGROUND: Typhoid fever remains a major public health problem in low- and middle-income countries where children aged 2-14 years bear the greatest burden. Vi polysaccharide is poorly immunogenic in children <2 years of age, and protection in adults is modest. The limitations of Vi polysaccharide vaccines can be overcome by conjugation of the Vi to a carrier protein. A typhoid conjugate vaccine composed of Vi polysaccharide conjugated to diphtheria toxoid (Vi-DT) has been developed...
May 15, 2018: Vaccine
https://www.readbyqxmd.com/read/29773775/case-study-in-international-cooperation-cuba-s-molecular-immunology-center-and-roswell-park-cancer-institute
#10
Rachel Evans, Mary Reid, Brahm Segal, Scott I Abrams, Kelvin Lee
In 1961, the USA severed diplomatic relations with Cuba, and in 1962 an embargo was imposed on trade and financial relations with that country. It was not until five decades later that the USA and Cuba would reestablish relations. This opened the way for the New York State Trade Mission to Cuba in April 2015, during which Cuba's Molecular Immunology Center and Buffalo, New York's Roswell Park Cancer Institute signed a formal agreement that would set in motion biotechnology research collaboration to address one of the most important causes of death in both countries...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29773774/us-and-cuban-scientists-forge-collaboration-on-arbovirus-research
#11
Jorge Pérez-Ávila, Maria G Guzmán-Tirado, Jorge Fraga-Nodarse, Gray Handley, James Meegan, Jose L Pelegrino-Martínez de la Cotera, Anthony S Fauci
After December 17, 2014, when the US and Cuban governments announced their intent to restore relations, the two countries participated in various exchange activities in an effort to encourage cooperation in public health, health research and biomedical sciences. The conference entitled Exploring Opportunities for Arbovirus Research Collaboration, hosted at Havana's Hotel Nacional, was part of these efforts and was the first major US-Cuban scientific conference in over 50 years. Its purpose was to share information about current arbovirus research and recent findings, and to explore opportunities for future joint research...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29773321/evaluating-scenarios-of-locations-and-capacities-for-vaccine-storage-in-nigeria
#12
Dor Hirsh Bar Gai, Zachary Graybill, Paule Voevodsky, Ekundayo Shittu
Many developing countries still face the prevalence of preventable childhood diseases because their vaccine supply chain systems are inadequate by design or structure to meet the needs of their populations. Currently, Nigeria is evaluating options in the redesign of the country's vaccine supply chain. Using Nigeria as a case study, the objective is to evaluate different regional supply chain scenarios to identify the cost minimizing optimal hub locations and storage capacities for doses of different vaccines to achieve a 100% fill rate...
May 14, 2018: Vaccine
https://www.readbyqxmd.com/read/29773050/the-importance-of-complying-with-vaccination-protocols-in-developed-countries-anti-vax-hysteria-and-the-spread-of-severe-preventable-diseases
#13
Franco Pandolfi, Laura Franza, Laura Todi, Valentina Carusi, Michele Centrone, Alessandro Bonomo, Estelle E Newton, Domenico Schiavino, Eleonora Nucera
BACKGROUND: Vaccines are very effective medical tools for disease prevention and life span increase. Controversies have raised concern about their safety, from autism to polio vaccine contamination with simian virus 40 (SV-40). Hysteria surrounding vaccine-associated risks has resulted in a declining number of vaccinations in developed countries. Outbreaks of vaccine-preventable diseases (e.g. measles) have occurred in Europe and North America, causing also some causalities. OBJECTIVES: In this review, data on safety and efficacy of vaccines are discussed, showing that the benefits of vaccines far outweigh the risks and that it is important to comply with vaccination protocols, to avoid spreading of severe, preventable diseases...
May 17, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29771685/enterotoxigenic-escherichia-coli-blood-group-a-interactions-intensify-diarrheal-severity
#14
Pardeep Kumar, F Matthew Kuhlmann, Subhra Chakroborty, A Louis Bourgeois, Jennifer Foulke-Abel, Brunda Tumala, Tim J Vickers, David A Sack, Barbara DeNearing, Clayton D Harro, W Shea Wright, Jeffrey C Gildersleeve, Matthew A Ciorba, Srikanth Santhanam, Chad K Porter, Ramiro L Gutierrez, Michael G Prouty, Mark S Riddle, Alexander Polino, Alaullah Sheikh, Mark Donowitz, James M Fleckenstein
Enterotoxigenic Escherichia coli (ETEC) infections are highly prevalent in developing countries where clinical presentations range from asymptomatic colonization to severe cholera-like illness. The molecular basis for these varied presentations, that may involve strain-specific virulence features as well as host factors, have not been elucidated. We demonstrate that when challenged with ETEC strain H10407, originally isolated from a case of cholera-like illness, blood group A human volunteers developed severe diarrhea more frequently than individuals from other blood groups...
May 17, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29770051/agriculture-and-agri-food-canada-s-research-program-on-antimicrobial-resistance
#15
E Topp
A key strategy for attenuating the development of antimicrobial resistance (AMR) is ensuring judicious use of antimicrobials in human and veterinary medicine and in agriculture. Research on AMR in agriculture includes risk assessment, risk management, and identifying the role of agricultural practices in development of AMR. Risk assessment includes an impact assessment of antimicrobial use in livestock and on the environment; for example, many antimicrobials are excreted unchanged and thus reach the environment through manure application...
November 2, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29768543/preventing-diseases-in-round-the-world-travelers-a-contemporary-challenge-for-travel-medicine-advice
#16
Karis Maria de Pinho Rodrigues, Beatriz Meurer Moreira
Providing advice for travelers embarking on long-term trips poses a challenge in travel medicine. A long duration of risk exposure is associated with underuse of protective measures and poor adherence to chemoprophylaxis, increasing the chances of acquiring infections. Recently, in our clinic, we observed an increase in the number of travelers undertaking round-the-world trips. These individuals are typically aged around 32 years and quit their jobs to embark on one-to-two-year journeys. Their destinations include countries in two or more continents, invariably Southeast Asia and Indonesia, and mostly involve land travel and visiting rural areas...
March 2018: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29767678/identification-of-etiology-specific-diarrhea-associated-with-linear-growth-faltering-in-bangladeshi-infants
#17
Amanda E Schnee, Rashidul Haque, Mami Taniuchi, Jashim Uddin, Masud Alam, Jie Liu, Elizabeth T Rogawski, Beth Kirkpatrick, Eric R Houpt, William A Petri, James A Platts-Mills
Childhood diarrhea in low-resource settings has been variably linked to linear growth shortfalls. However, the association between etiology-specific diarrhea and growth has not been comprehensively evaluated. We tested diarrheal stools collected from the Performance of Rotavirus and Oral Polio Vaccines in Developing Countries study from 2011-2013 in Dhaka, Bangladesh by quantitative polymerase chain reaction for a broad range of enteropathogens to characterize diarrhea etiology and examine the association between etiology-specific diarrhea and linear growth and systemic inflammation...
May 15, 2018: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29762364/seroprevalence-of-toxoplasma-gondii-infection-among-%C3%AE-thalassemia-major-pediatric-population-implications-for-transfusion-transmissible-toxoplasmosis
#18
Nora El-Tantawy, Ahmad Darwish, Eman Eissa
BACKGROUND: Children with β-thalassemia major who regularly receive blood transfusion are at risk of developing transfusion-transmitted infection. Toxoplasmosis is a common and a serious parasitic disease with high prevalence and could be transmitted through blood transfusion from healthy asymptomatic donors. However, screening Toxoplasma gondii before blood donation has not been considered. OBJECTIVE: To determine the prevalence of T. gondii antibodies among thalassemia children undergoing blood transfusion...
May 14, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29757218/detection-of-specific-zikv-igm-in-travelers-using-a-multiplexed-flavivirus-microsphere-immunoassay
#19
Carmel T Taylor, Ian M Mackay, Jamie L McMahon, Sarah L Wheatley, Peter R Moore, Mitchell J Finger, Glen R Hewitson, Frederick A Moore
Zika virus (ZIKV) has spread widely in the Pacific and recently throughout the Americas. Unless detected by RT-PCR, confirming an acute ZIKV infection can be challenging. We developed and validated a multiplexed flavivirus immunoglobulin M (IgM) microsphere immunoassay (flaviMIA) which can differentiate ZIKV-specific IgM from that due to other flavivirus infections in humans. The flaviMIA bound 12 inactivated flavivirus antigens, including those from ZIKV and yellow fever virus (YFV), to distinct anti-flavivirus antibody coupled beads...
May 12, 2018: Viruses
https://www.readbyqxmd.com/read/29754699/systematic-review-of-the-incremental-costs-of-interventions-that-increase-immunization-coverage
#20
Sachiko Ozawa, Tatenda T Yemeke, Kimberly M Thompson
Achieving and maintaining high vaccination coverage requires investments, but the costs and effectiveness of interventions to increase coverage remain poorly characterized. We conducted a systematic review of the literature to identify peer-reviewed studies published in English that reported interventions aimed at increasing immunization coverage and the associated costs and effectiveness of the interventions. We found limited information in the literature, with many studies reporting effectiveness estimates, but not providing cost information...
May 10, 2018: Vaccine
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