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Vaccine in developing countries

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https://www.readbyqxmd.com/read/28210223/consumer-willingness-to-pay-for-dengue-vaccine-cyd-tdv-dengvaxia-%C3%A2-in-brazil-implications-for-future-pricing-considerations
#1
Isabella P Godói, André S Santos, Edna A Reis, Livia L P Lemos, Cristina M R Brandão, Juliana Alvares, Francisco A Acurcio, Brian Godman, Augusto A Guerra Júnior
Introduction and Objective: Dengue virus is a serious global health problem with an estimated 3.97 billion people at risk for infection worldwide. In December 2015, the first vaccine (CYD-TDV) for dengue prevention was approved in Brazil, developed by Sanofi Pasteur. However, given that the vaccine will potentially be paid via the public health system, information is need regarding consumers' willingness to pay for the dengue vaccine in the country as well as discussions related to the possible inclusion of this vaccine into the public health system...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28207337/engaging-human-rights-in-the-response-to-the-evolving-zika-virus-epidemic
#2
Jennifer J K Rasanathan, Sarah MacCarthy, Debora Diniz, Els Torreele, Sofia Gruskin
In late 2015, an increase in the number of infants born with microcephaly in poor communities in northeast Brazil prompted investigation of antenatal Zika infection as the cause. Zika now circulates in 69 countries, and has affected pregnancies of women in 29 countries. Public health officials, policymakers, and international organizations are considering interventions to address health consequences of the Zika epidemic. To date, public health responses have focused on mosquito vector eradication, sexual and reproductive health services, knowledge and technology including diagnostic test and vaccine development, and health system preparedness...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28202762/maternal-binding-and-neutralizing-igg-responses-targeting-the-c-terminal-region-of-the-v3-loop-are-predictive-of-reduced-peripartum-hiv-1-transmission-risk
#3
David R Martinez, Nathan Vandergrift, Ayooluwa O Douglas, Erin McGuire, John Bainbridge, Nathan I Nicely, David C Montefiori, Georgia D Tomaras, Genevieve G Fouda, Sallie R Permar
The development of an effective maternal HIV-1 vaccine that could synergize with antiretroviral therapy (ART) to eliminate pediatric HIV-1 infection will require the characterization of maternal immune responses capable of blocking transmission of autologous HIV viruses to the infant. We previously identified that maternal plasma antibody binding to linear epitopes within the variable loop 3 (V3) region of HIV envelope (Env) and neutralizing responses against easy to neutralize tier 1 viruses were associated with reduced risk of peripartum HIV infection in the historic U...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28192534/sm-p80-based-schistosomiasis-vaccine-mediated-epistatic-interactions-identified-potential-immune-signatures-for-vaccine-efficacy-in-mice-and-baboons
#4
Juan U Rojo, Michael W Melkus, Kameswara Rao Kottapalli, Oscar E Okiya, Justin Sudduth, Weidong Zhang, Adebayo J Molehin, Darrick Carter, Afzal A Siddiqui
Schistosomiasis is a neglected parasitic disease of major public health concern as it affects over 250 million people in developing countries. Currently there is no licensed vaccine available against schistosomiasis. The Schistosoma mansoni calpain protein, Sm-p80, is a leading vaccine candidate now ready to move to clinical trials. In order to better assess Sm-p80 vaccine immunogenicity; here we used a systems biology approach employing RNA-sequencing to identify gene signatures and epistatic interactions following Sm-p80 vaccination in mouse and baboon models that may predict vaccine efficacy...
2017: PloS One
https://www.readbyqxmd.com/read/28190744/use-of-m-health-in-polio-eradication-and-other-immunization-activities-in-developing-countries
#5
REVIEW
Sara S Kim, Manish Patel, Alan Hinman
INTRODUCTION: Reaching the children that are chronically missed by routine immunization services has been a key pillar of success in achieving progress toward polio eradication. The rapid advancement and accessibility of mobile technology ("mHealth") in low and lower middle income countries provides an important opportunity to apply novel, innovative approaches to provide vaccine services. We sought to document the use and effectiveness of mHealth in immunization programs in low and lower middle income countries...
February 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28185870/prevention-and-control-of-dengue-the-light-at-the-end-of-the-tunnel
#6
REVIEW
Tikki Pang, Tippi K Mak, Duane J Gubler
Advances in the development of new dengue control tools, including vaccines and vector control, herald a new era of desperately needed dengue prevention and control. The burden of dengue has expanded for decades, and now affects more than 120 countries. Complex, large-scale global forces have and will continue to contribute to the expansion of dengue, including population growth, unplanned urbanisation, and suboptimal mosquito control in urban centres. Although no so-called magic bullets are available, there is new optimism following the first licensure of a dengue vaccine and other promising vaccine candidates, and the development of novel vector control interventions to help control dengue and other expanding mosquito-borne diseases such as Zika virus...
February 6, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28185868/dengue-knowledge-gaps-unmet-needs-and-research-priorities
#7
REVIEW
Leah C Katzelnick, Josefina Coloma, Eva Harris
Dengue virus is a mosquito-borne pathogen that causes up to about 100 million cases of disease each year, placing a major public health, social, and economic burden on numerous low-income and middle-income countries. Major advances by investigators, vaccine developers, and affected communities are revealing new insights and enabling novel interventions and approaches to dengue prevention and control. Such research has highlighted further questions about both the basic understanding of dengue and efforts to develop new tools...
February 6, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28185595/exploring-pathways-for-building-trust-in-vaccination-and-strengthening-health-system-resilience
#8
Sachiko Ozawa, Ligia Paina, Mary Qiu
BACKGROUND: Trust is critical to generate and maintain demand for vaccines in low and middle income countries. However, there is little documentation on how health system insufficiencies affect trust in vaccination and the process of re-building trust once it has been compromised. We reflect on how disruptions to immunizations systems can affect trust in vaccination and can compromise vaccine utilization. We then explore key pathways for overcoming system vulnerabilities in order to restore trust, to strengthen the resilience of health systems and communities, and to promote vaccine utilization...
November 15, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/28185139/rescue-of-a-recombinant-newcastle-disease-virus-strain-r2b-expressing-green-fluorescent-protein
#9
Madhan Mohan Chellappa, Sohini Dey, Satish Gaikwad, Dinesh C Pathak, Vikram N Vakharia
Newcastle disease virus (NDV), strain R2B is a mesogenic vaccine strain used for booster vaccination in chickens against Newcastle disease in India and many south East Asian countries. A full-length cDNA clone of the virus was generated by ligating eight overlapping fragments generated by reverse transcription polymerase chain reaction having unique restriction enzyme sites within them. This full-length cDNA clone was flanked by hammerhead ribozyme and hepatitis delta virus ribozyme sequences. Defined genetic markers were introduced into the NDV genome to differentiate the rescued virus from the parent virus...
February 9, 2017: Virus Genes
https://www.readbyqxmd.com/read/28183824/global-cancer-in-women-cancer-control-priorities
#10
Farhad Islami, Lindsey A Torre, Jeffrey M Drope, Elizabeth M Ward, Ahmedin Jemal
The global burden of cancer in women has recently received much attention, but there are few comprehensive reviews of the burden and policy approaches to reduce it. This paper, second in series of two, summarizes the most important cancer control priorities with specific examples of proven interventions, with a particular focus on primary prevention in low- and middle-income countries (LMICs). There are a number of effective cancer control measures available to countries of all resource levels. Many of these measures are extremely cost-effective, especially in the case of tobacco control and vaccination...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28179980/increasing-european-support-for-neglected-infectious-disease-research
#11
REVIEW
Ole F Olesen, Marit Ackermann
Neglected infectious diseases (NIDs) are a persistent cause of death and disability in low-income countries. Currently available drugs and vaccines are often ineffective, costly or associated with severe side-effects. Although the scale of research on NIDs does not reflect their disease burden, there are encouraging signs that NIDs have begun to attract more political and public attention, which have translated into greater awareness and increased investments in NID research by both public and private donors...
2017: Computational and Structural Biotechnology Journal
https://www.readbyqxmd.com/read/28176028/occupational-risks-and-exposures-among-wildlife-health-professionals
#12
Gemina Garland-Lewis, Christopher Whittier, Suzan Murray, Sally Trufan, Peter M Rabinowitz
Most emerging infectious diseases are zoonotic in origin, with wildlife a frequent source of zoonotic disease events. Although individuals with extensive wildlife contact may be at the greatest risk of contracting novel infectious agents, the occupational risk of those working closely with wildlife has not been well studied. This study assessed the occupational exposures among wildlife health professionals working in multiple countries worldwide. An occupational risk survey of past and present exposures was developed and administered online in a confidential manner to wildlife workers recruited through an ongoing international wildlife pathogen surveillance project...
February 7, 2017: EcoHealth
https://www.readbyqxmd.com/read/28170416/cost-effectiveness-of-maternal-influenza-immunization-in-bamako-mali-a-decision-analysis
#13
Evan W Orenstein, Lauren A V Orenstein, Kounandji Diarra, Mahamane Djiteye, Diakaridia Sidibé, Fadima C Haidara, Moussa F Doumbia, Fatoumata Diallo, Flanon Coulibaly, Adama M Keita, Uma Onwuchekwa, Ibrahima Teguete, Milagritos D Tapia, Samba O Sow, Myron M Levine, Richard Rheingans
BACKGROUND: Maternal influenza immunization has gained traction as a strategy to diminish maternal and neonatal mortality. However, efforts to vaccinate pregnant women against influenza in developing countries will require substantial investment. We present cost-effectiveness estimates of maternal influenza immunization based on clinical trial data from Bamako, Mali. METHODS: We parameterized a decision-tree model using prospectively collected trial data on influenza incidence, vaccine efficacy, and direct and indirect influenza-related healthcare expenditures...
2017: PloS One
https://www.readbyqxmd.com/read/28169420/parents-and-informal-caregivers-views-and-experiences-of-communication-about-routine-childhood-vaccination-a-synthesis-of-qualitative-evidence
#14
REVIEW
Heather Mr Ames, Claire Glenton, Simon Lewin
BACKGROUND: Childhood vaccination is an effective way to prevent serious childhood illnesses, but many children do not receive all the recommended vaccines. There are various reasons for this; some parents lack access because of poor quality health services, long distances or lack of money. Other parents may not trust vaccines or the healthcare workers who provide them, or they may not see the need for vaccination due to a lack of information or misinformation about how vaccinations work and the diseases they can prevent...
February 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28168170/tetanus-diphtheria-acellular-pertussis-vaccination-for-adults-an-update
#15
REVIEW
Hyo-Jin Lee, Jung-Hyun Choi
Although tetanus and diphtheria have become rare in developed countries, pertussis is still endemic in some developed countries. These are vaccine-preventable diseases and vaccination for adults is important to prevent the outbreak of disease. Strategies for tetanus, diphtheria, and pertussis vaccines vary from country to country. Each country needs to monitor consistently epidemiology of the diseases and changes vaccination policies accordingly. Recent studies showed that tetanus-diphtheria-acellular pertussis vaccine for adults is effective and safe to prevent pertussis disease in infants...
January 2017: Clinical and Experimental Vaccine Research
https://www.readbyqxmd.com/read/28167525/the-history-of-bordetella-pertussis-genome-evolution-includes-structural-rearrangement
#16
Michael R Weigand, Yanhui Peng, Vladimir Loparev, Dhwani Batra, Katherine E Bowden, Mark Burroughs, Pamela K Cassiday, Jamie K Davis, Taccara Johnson, Phalasy Juieng, Kristen Knipe, Marsenia H Mathis, Andrea M Pruitt, Lori Rowe, Mili Sheth, M Lucia Tondella, Margaret M Williams
: Despite high pertussis vaccine coverage, reported cases of whooping cough (pertussis) have increased over the last decade in the United States and other developed countries. Although Bordetella pertussis is well known for its limited gene sequence variation, recent advances in long-read sequencing technology have begun to reveal genome structural heterogeneity among otherwise indistinguishable isolates, even within geographically or temporally defined epidemics. We have compared rearrangements among complete genome assemblies from 257 B...
February 6, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28166842/seroprevalence-of-cytomegalovirus-infection-in-france-in-2010
#17
D Antona, A Lepoutre, L Fonteneau, C Baudon, F Halftermeyer-Zhou, Y LE Strat, D Lévy-Bruhl
Cytomegalovirus (CMV) infection remains the leading cause of congenital virus infection in developed countries. Measuring the national prevalence of this infection, especially among women of childbearing age, is of great value to estimate the risk of congenital CMV infection, as well as to identify risk groups that should be targeted for behavioural interventions and/or vaccination once a CMV vaccine finally becomes available. In order to fulfil these objectives, a seroprevalence survey was conducted in 2010, using a nationally representative, population-based sample of 2536 people aged between 15 and 49 years, living in metropolitan France and attending private microbiological laboratories for blood testing...
February 7, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28165878/vaccinations-in-migrants-and-refugees-a-challenge-for-european-health-systems-a-systematic-review-of-current-scientific-evidence
#18
Daniele Mipatrini, Paola Stefanelli, Santino Severoni, Giovanni Rezza
The decline of immunization rates in countries of origin of migrants and refugees, along with risky conditions during the journey to Europe, may threaten migrants' health. We performed a systematic review of the scientific literature in order to assess the frequency of vaccine preventable diseases, and vaccination coverage among migrants and refugees in Europe. To this end, Medline and Cochrane databases were considered. After the screening and the selection process, 58 papers were included in the review. We focused on the following vaccine-preventable diseases: hepatitis B, measles, rubella, mumps, tetanus, poliomyelitis, pertussis, diphtheria, meningitis, and varicella...
February 6, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28165831/paxvax-cvd-103-hgr-single-dose-live-oral-cholera-vaccine
#19
Myron M Levine, Wilbur H Chen, James B Kaper, Michael Lock, Lisa Danzig, Marc Gurwith
Cholera remains a problem in developing countries and a risk for travelers. Hypochlorhydria, blood group O, cardiac and renal disease increase the risk of developing cholera gravis. Oral vaccines containing inactivated Vibrio cholerae and requiring two doses are available in some countries. No cholera vaccine had been available for U.S. travelers for decades until 2016 when CVD 103-HgR (Vaxchora™), an oral live attenuated vaccine, was licensed by the U.S. FDA. Areas covered: Enduring protection following wild-type cholera provided the rationale to develop a single-dose live oral vaccine...
February 6, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28164085/public-private-partnerships-in-cloud-computing-services-in-the-context-of-genomic-research
#20
REVIEW
Palmira Granados Moreno, Yann Joly, Bartha Maria Knoppers
Public-private partnerships (PPPs) have been increasingly used to spur and facilitate innovation in a number of fields. In healthcare, the purpose of using a PPP is commonly to develop and/or provide vaccines and drugs against communicable diseases, mainly in developing or underdeveloped countries. With the advancement of technology and of the area of genomics, these partnerships also focus on large-scale genomic research projects that aim to advance the understanding of diseases that have a genetic component and to develop personalized treatments...
2017: Frontiers in Medicine
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