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https://www.readbyqxmd.com/read/29031693/a-brief-review-on-the-immunological-scenario-and-recent-developmental-status-of-vaccines-against-enteric-fever
#1
REVIEW
Debaki Ranjan Howlader, Hemanta Koley, Suhrid Maiti, Ushasi Bhaumik, Priyadarshini Mukherjee, Shanta Dutta
Enteric fever has been one of the leading causes of severe illness and deaths worldwide. S. Typhi and S. Paratyphi A, B and C are important enteric fever-causing organisms globally. This infection causes about 21 million cases among which 222,000 typhoid related deaths occurred in 2015. These estimates do not reflect the ultimate and real status of the disease due to the lack of unified diagnostic and proper reporting system from typhoid endemic and other regions. Current control strategies have become increasingly ineffective due to the emergence of multi-drug resistance among the strains...
October 11, 2017: Vaccine
https://www.readbyqxmd.com/read/29029942/immunogenicity-of-aluminum-adsorbed-hepatitis-a-vaccine-havrix%C3%A2-administered-as-a-third-dose-after-primary-doses-of-japanese-aluminum-free-hepatitis-a-vaccine-aimmugen%C3%A2-for-japanese-travelers-to-endemic-countries
#2
Shinji Fukushima, Tomoko Kiyohara, Koji Ishii, Takashi Nakano, Atsuo Hamada
BACKGROUND: Hepatitis A vaccination is recommended for travelers to endemic countries. Several inactivated aluminum-adsorbed hepatitis A vaccines are available worldwide, but only one licensed hepatitis A vaccine is available in Japan. This vaccine is a lyophilized inactivated aluminum-free hepatitis A vaccine (Aimmugen®). The standard schedule of Aimmugen® is three doses (at 0, 2-4 weeks, and 6 months). Japanese people will go abroad after receiving 2 doses of Aimmugen®. Some long-term travelers will receive the third dose of hepatitis A vaccine at their destination, at 6-24 months after 2 doses of Aimmugen®...
October 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29020226/innate-t-and-b-cell-responses-in-acute-human-zika-patients
#3
Lilin Lai, Nadine Rouphael, Yongxian Xu, Muktha S Natrajan, Allison Beck, Mari Hart, Matthew Feldhammer, Amanda Feldpausch, Charles Hill, Henry Wu, Jessica K Fairley, Pamela Lankford-Turner, Nicole Kasher, Patrick Rago, Yi-Juan Hu, Srilatha Edupuganti, Shital M Patel, Kristy O Murray, Mark J Mulligan
Background: There is an urgent need for studies of viral persistence and immunity during human Zika infections to inform planning and conduct of vaccine clinical trials. Methods: In five returned US travelers with acute symptomatic Zika infection, clinical features, viral RNA levels, and immune responses were characterized. Results: Two pregnant, flavivirus-experienced patients had viral RNA persist in plasma for >44 and >26 days. Three days after symptom onset transient increases in pro-inflammatory monocytes began followed at five days by transient decreases in myeloid dendritic cells...
August 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29018300/vaxchora-the-first-fda-approved-cholera-vaccination-in-the-united-states
#4
Juan F Mosley, Lillian L Smith, Patricia Brantley, Dustin Locke, Madison Como
Vaxchora is the first vaccine approved by the Food and Drug Administration for the prophylaxis of cholera infection. Cholera, a potentially life-threatening bacterial infection that occurs in the intestines and causes severe diarrhea and dehydration, has a low incidence in the U.S., but a high incidence in Africa, Southeast Asia, and other locations around the world. These areas draw travelers from the U.S., so cholera can present in patients who return from visits to these regions. Previous means of prophylaxis included the use of doxycycline for the prevention of traveler's diarrhea, but doxycycline is not specific for cholera...
October 2017: P & T: a Peer-reviewed Journal for Formulary Management
https://www.readbyqxmd.com/read/29016311/case-report-severe-imported-influenza-infections-developed-during-travel-in-reunion-island
#5
Jérôme Allyn, Elise Brottet, Emmanuel Antok, Laurence Dangers, Romain Persichini, Nathalie Coolen-Allou, Bénédicte Roquebert, Nicolas Allou, David Vandroux
We report two cases of severe influenza infection imported by tourist patients from their country of origin and developed during travel. While studies have reported cases of influenza infections acquired during travel, here we examine two cases of severe influenza infection contracted in the country of origin that led to diagnosis and therapeutic problems in the destination country. No international recommendation exists concerning influenza vaccination before travel, and few countries recommend it for all travelers...
October 2, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28990505/biological-therapy-of-hematologic-malignancies-toward-a-chemotherapy-free-era
#6
Pavel Klener, Tomas Etrych, Pavel Klener
Less than 70 years ago, the vast majority of hematologic malignancies were untreatable diseases with fatal prognoses. The development of modern chemotherapy agents, which had begun after the Second World War, was markedly accelerated by the discovery of the structure of DNA and its role in cancer biology and tumor cell division. The path travelled from the first temporary remissions observed in children with acute lymphoblastic leukemia treated with single-agent antimetabolites until the first cures achieved by multi-agent chemotherapy regimens was incredibly short...
October 6, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28975470/infections-of-the-central-nervous-system-in-returning-travelers-and-immigrants
#7
REVIEW
Haley Thompson, Kiran Thakur
PURPOSE OF REVIEW: This review highlights current knowledge in travel-related neuroinfectious diseases, providing insight on approaches to prevention, diagnosis, and treatment of infections of the central nervous system (CNS) in travelers and immigrants. RECENT FINDINGS: Updates on travel vaccine recommendations including vaccine-specific interactions with immunosuppressive agents, advances in Zika virus and dengue virus vaccine development, new diagnostic criteria for neurocysticercosis, updates on treatment approaches for tuberculosis meningitis...
October 3, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28966494/nine-year-trends-of-dengue-virus-infection-in-mumbai-western-india
#8
Jayanthi Shastri, Manita Williamson, Nilima Vaidya, Sachee Agrawal, Om Shrivastav
INTRODUCTION: Dengue virus (DENV) causes a wide range of diseases in humans, from acute febrile illness Dengue fever (DF) to life-threatening Dengue hemorrhagic fever (DHF) or Dengue shock syndrome (DSS). Factors believed to be responsible for spread of Dengue virus infection include explosive population growth, unplanned urban overpopulation with inadequate public health systems, poor standing water and vector control, climate changes and increased international recreational, business, military travel to endemic areas...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28958813/chronovac-voyageur-a-study-of-the-immune-response-to-yellow-fever-vaccine-among-infants-previously-immunized-against-measles
#9
Catherine Goujon, Marie-Lise Gougeon, Laura Tondeur, Béatrice Poirier, Valérie Seffer, Philippe Desprès, Paul-Henri Consigny, Muriel Vray
For administration of multiple live attenuated vaccines, the Advisory Committee on Immunization Practices recommends either simultaneous immunization or period of at least 28days between vaccines, due to a possible reduction in the immune response to either vaccine. The main objective of this study was to compare the immune response to measles (alone or combined with mumps and rubella) and yellow fever vaccines among infants aged 6-24months living in a yellow fever non-endemic country who had receivedmeasles and yellow fever vaccines before travelling to a yellow fever endemic area...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28958811/parental-perceptions-of-childhood-seasonal-influenza-vaccination-in-singapore-a-cross-sectional-survey
#10
Mabel S F Low, Hweeyong Tan, Mikael Hartman, Clarence C Tam, Cheehow Hoo, Jiaqing Lim, Simin Chiow, Simin Lee, Renzhi Thng, Mingzhe Cai, Yanru Tan, Jingzhan Lock
PURPOSE: Seasonal influenza vaccination is recommended in children aged 6-59months, but little is known about child vaccination coverage and determinants in Asian settings. We report the results of a survey of knowledge, attitudes, practices, and determinants of child influenza vaccination in Singapore. METHODS: In December 2015-March 2016, we conducted a survey of 332 parents of children aged 6months to 5years attending pre-schools. We assessed child influenza vaccine coverage and parental knowledge, attitudes, and practices of child influenza vaccination...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28952677/a-cluster-of-hepatitis-a-viral-infection-in-hse-south
#11
H A Ferris, A Dillon, M B O'Sullivan
Hepatitis A is an acute viral infection of the liver that produces clinical features ranging from asymptomatic infection to fulminant hepatitis(1). The authors report a cluster of 5 serologically-confirmed cases of acute Hepatitis A Virus (HAV), all serum IgM positive for HAV Genotype 1A. This is on a background of only 2 other cases notified to HSE-South in 2016 to date, both travel related. There was a considerable delay in notification in two out of 5 cases. This case report highlights the importance of prompt notification of Hepatitis A, as timely notification would have facilitated prompt contact vaccination and might well have prevented illness in two subsequent household contacts...
June 9, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/28944092/mefa-multiepitope-fusion-antigen-novel-technology-for-structural-vaccinology-proof-from-computational-and-empirical-immunogenicity-characterization-of-an-enterotoxigenic-escherichia-coli-etec-adhesin-mefa
#12
Qiangde Duan, Kuo Hao Lee, Rahul M Nandre, Carolina Garcia, Jianhan Chen, Weiping Zhang
Vaccine development often encounters the challenge of virulence heterogeneity. Enterotoxigenic Escherichia coli (ETEC) bacteria producing immunologically heterogeneous virulence factors are a leading cause of children's diarrhea and travelers' diarrhea. Currently, we do not have licensed vaccines against ETEC bacteria. While conventional methods continue to make progress but encounter challenge, new computational and structure-based approaches are explored to accelerate ETEC vaccine development. In this study, we applied a structural vaccinology concept to construct a structure-based multiepitope fusion antigen (MEFA) to carry representing epitopes of the seven most important ETEC adhesins [CFA/I, CFA/II (CS1-CS3), CFA/IV (CS4-CS6)], simulated antigenic structure of the CFA/I/II/IV MEFA with computational atomistic modeling and simulation, characterized immunogenicity in mouse immunization, and examined the potential of structure-informed vaccine design for ETEC vaccine development...
August 2017: Journal of Vaccines & Vaccination
https://www.readbyqxmd.com/read/28931134/risk-activities-and-pre-travel-health-seeking-practices-of-notified-cases-of-imported-infectious-diseases-in-australia
#13
Prakash Paudel, C Raina, Nicholas Zwar, Holly Seale, Heather Worth, Mohamud Sheikh, Anita E Heywood
Background: Travellers are at risk of acquiring infectious diseases during travel, with risks differing by destination, travel and traveller characteristics. A pre-travel health consultation may minimize this risk. However, uptake of pre-travel health advice remains low. We investigated pre-travel health preparations and disease-specific risk behaviours among notified cases of selected travel-associated infectious diseases imported into Australia. Methods: Prospective enhanced surveillance of notified cases of typhoid, paratyphoid, measles, hepatitis A, hepatitis E, malaria and chikungunya was conducted in two Australian states between February 2013 and January 2014...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28931133/a-descriptive-study-of-advising-practices-during-travel-health-consultations-in-france
#14
C Marchand, F Merrina, R Gagnayre, O Bouchaud
Background: Recommendations for improving traveler adherence address both the content of the advice given and the structure of the consultation. The objective of this article is to describe how travel health consultations are structured in France. Methods: A questionnaire based on both theoretical foundations and recommendations in the literature was sent to health professionals who practice in travel clinics, all of them members of France's Société de Médecine des Voyages...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28931130/challenges-to-providing-pre-travel-care-for-travellers-visiting-friends-and-relatives-an-audit-of-a-specialist-travel-medicine-clinic
#15
Kate Rowe, Nadia Chaves, Karin Leder
Travellers visiting friends and relatives (VFRs) often have complex pre-travel needs. We identified the characteristics, destinations, vaccinations and pre-travel advice provided to VFRs and compared these with non-VFR travellers. The significant differences we found suggest that future research should focus on improving the uptake of recommended interventions in VFR travellers.
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28926326/prevalence-of-hepatitis-a-virus-antibody-in-portuguese-travelers-a-new-paradigm
#16
Sónia Rocha, Sandra Tejo, Eugénia Ferreira, Luís Trindade, Eduardo Rabadão, Nuno Marques, José Saraiva da Cunha
INTRODUCTION: In Portugal, the prevalence of hepatitis A virus infection has decreased in the past decades, especially in young adults. The aim of this study was to detect the prevalence of antibody to hepatitis A virus in a population observed in our Travel Clinic. MATERIAL AND METHODS: Antibodies against hepatitis A, hepatitis B, hepatitis C and human immunodeficiency virus were tested using standard enzyme immunoassay in patients older than 18. The exclusion criteria were: prior vaccination for hepatitis A virus, previous diagnosis of infection with hepatitis B virus, hepatitis C virus and/or human immunodeficiency virus, foreign travelers and long-term expatriates...
August 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28925936/an-atypical-local-vesicular-reaction-to-the-yellow-fever-vaccine
#17
Robert H Wauters, Camellia L Hernandez, Maureen M Petersen
Yellow fever vaccine is a live attenuated viral inoculation indicated for patients traveling to endemic areas. The vaccine is generally well tolerated with minimal adverse effects. Typical side effects include malaise, pain at the injection site, and, albeit rarely, immediate hypersensitivity reactions. We present a case of a rare adverse reaction to yellow fever vaccine in which a patient developed vesicular lesions resulting in bullae and circumferential hyperpigmentation.
September 19, 2017: Vaccines
https://www.readbyqxmd.com/read/28925418/mhealth-application-areas-and-technology-combinations-a-comparison-of-literature-from-high-and-low-middle-income-countries
#18
Haitham Abaza, Michael Marschollek
BACKGROUND: With the continuous and enormous spread of mobile technologies, mHealth has evolved as a new subfield of eHealth. While eHealth is broadly focused on information and communication technologies, mHealth seeks to explore more into mobile devices and wireless communication. Since mobile phone penetration has exceeded other infrastructure in low and middle-income countries (LMICs), mHealth is seen as a promising component to provide pervasive and patient-centered care. OBJECTIVES: The aim of our research work for this paper is to examine the mHealth literature to identify application areas, target diseases, and mHealth service and technology types that are most appropriate for LMICs...
August 8, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28899311/australian-national-enterovirus-reference-laboratory-annual-report-2014
#19
Jason Roberts, Linda Hobday, Aishah Ibrahim, Thomas Aitken, Bruce Thorley
Following the World Health Organization (WHO) recommendation, Australia conducts surveillance for cases of acute flaccid paralysis (AFP) in children less than 15 years of age as the main method to monitor its polio-free status. Cases of AFP in children are notified to the Australian Paediatric Surveillance Unit or the Paediatric Active Enhanced Disease Surveillance System and faecal specimens are referred for virological investigation to the National Enterovirus Reference Laboratory. In 2014, no cases of poliomyelitis were reported from clinical surveillance and Australia reported 1...
June 30, 2017: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/28885461/vaccinations-and-malaria-chemoprophylaxis-of-adolescents-traveling-from-greece-to-international-destinations-a-nine-year-prospective-study
#20
Helena C Maltezou, Androula Pavli, Kalliopi Theodoridou, Panos Katerelos, Athina Spilioti, Anastasia Tedoma, Ioanna Lymperi, Maria Theodoridou
BACKGROUND: There are few publications focusing on vaccination and malaria chemoprophylaxis in adolescent travelers. We assessed pre-travel vaccinations and malaria chemoprophylaxis of adolescents 12-18 old traveling from Greece to international destinations. METHODS: We prospectively studied 239 adolescents 12-18 years old during 2008-2016. A standard questionnaire was used to collect data. RESULTS: Adolescents sought pre-travel services at a mean of 24...
September 6, 2017: Pediatric Infectious Disease Journal
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