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Yellow fever in travellers

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https://www.readbyqxmd.com/read/29665797/estimating-the-number-of-unvaccinated-chinese-workers-against-yellow-fever-in-angola
#1
A Wilder-Smith, E Massad
BACKGROUND: A yellow fever epidemic occurred in Angola in 2016 with 884 laboratory confirmed cases and 373 deaths. Eleven unvaccinated Chinese nationals working in Angola were also infected and imported the disease to China, thereby presenting the first importation of yellow fever into Asia. In Angola, there are about 259,000 Chinese foreign workers. The fact that 11 unvaccinated Chinese workers acquired yellow fever suggests that many more Chinese workers in Angola were not vaccinated...
April 17, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29565840/fatal-yellow-fever-in-travelers-to-brazil-2018
#2
Davidson H Hamer, Kristina Angelo, Eric Caumes, Perry J J van Genderen, Simin A Florescu, Corneliu P Popescu, Cecilia Perret, Angela McBride, Anna Checkley, Jenny Ryan, Martin Cetron, Patricia Schlagenhauf
Yellow fever virus is a mosquito-borne flavivirus that causes yellow fever, an acute infectious disease that occurs in South America and sub-Saharan Africa. Most patients with yellow fever are asymptomatic, but among the 15% who develop severe illness, the case fatality rate is 20%-60%. Effective live-attenuated virus vaccines are available that protect against yellow fever (1). An outbreak of yellow fever began in Brazil in December 2016; since July 2017, cases in both humans and nonhuman primates have been reported from the states of São Paulo, Minas Gerais, and Rio de Janeiro, including cases occurring near large urban centers in these states (2)...
March 23, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29560853/increased-risk-of-yellow-fever-infections-among-unvaccinated-european-travellers-due-to-ongoing-outbreak-in-brazil-july-2017-to-march-2018
#3
Céline M Gossner, Joana M Haussig, Chiara de Bellegarde de Saint Lary, Kaja Kaasik Aaslav, Patricia Schlagenhauf, Bertrand Sudre
Since December 2016, Brazil has faced a large outbreak of yellow fever with ca 1,500 confirmed human cases. In the first 2 months of 2018, Brazil reported almost as many cases as in 2017 as a whole. In these 2 months, five imported cases were reported among unvaccinated European travellers. Three had travelled to Ilha Grande, a popular destination among European tourists. Physicians and European travellers visiting Brazil should follow yellow fever vaccination recommendations.
March 2018: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29514339/false-positive-monospot-in-a-returning-traveler-with-dengue-fever
#4
Kimberly Boyd, Joshua M Harrison, Michael J Kavanaugh
The heterophile antibody (Monospot), initial test of choice for Epstein-Barr virus (EBV)-associated infectious mononucleosis, is both sensitive (70-92%) and specific (96-100%). False positives have been demonstrated in cases of viral hepatitis, human immunodeficiency virus, leukemia, lymphoma, pancreatic cancer, systemic lupus erythematosus, and rubella. We present a case of a 46-yr-old male who developed fever, chills, headaches, myalgia, fatigue, and photophobia 1 d after returning from the Philippines. He demonstrated a mild transaminitis and significant thrombocytopenia (12,000 cells/μL)...
March 1, 2018: Military Medicine
https://www.readbyqxmd.com/read/29394383/safety-of-live-vaccines-on-immunosuppressive-or-immunomodulatory-therapy-a-retrospective-study-in-three-swiss-travel-clinics
#5
Fabienne Huber, Benoît Ehrensperger, Christoph Hatz, François Chappuis, Silja Bühler, Gilles Eperon
Background: Patients increasingly benefit from immunosuppressive/immunomodulatory medications for a range of conditions allowing them a lifestyle similar to healthy individuals, including travel. However, the administration of live vaccines to immunodeficient patients bears the risk of replication of the attenuated vaccine microorganism. Therefore, live vaccines are generally contraindicated on immunosuppression. Data on live vaccinations on immunosuppressive/immunomodulatory medication are scarce...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29196275/global-risk-mapping-for-major-diseases-transmitted-by-aedes-aegypti-and-aedes-albopictus
#6
Samson Leta, Tariku Jibat Beyene, Eva M De Clercq, Kebede Amenu, Moritz U G Kraemer, Crawford W Revie
OBJECTIVES: The objective of this study was to map the global risk of the major arboviral diseases transmitted by Aedes aegypti and Aedes albopictus by identifying areas where the diseases are reported, either through active transmission or travel-related outbreaks, as well as areas where the diseases are not currently reported but are nonetheless suitable for the vector. METHODS: Data relating to five arboviral diseases (Zika, dengue fever, chikungunya, yellow fever, and Rift Valley fever (RVF)) were extracted from some of the largest contemporary databases and paired with data on the known distribution of their vectors, A...
February 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29185596/single-shot-of-17d-vaccine-may-not-confer-life-long-protection-against-yellow-fever
#7
Pedro Fc Vasconcelos
The yellow fever (YF) vaccine has been used since the 1930s to prevent YF, which is a severe infectious disease caused by the yellow fever virus (YFV), and mainly transmitted by Culicidae mosquitoes from the genera Aedes and Haemagogus . Until 2013, the World Health Organization (WHO) recommended the administration of a vaccine dose every ten years. A new recommendation of a single vaccine dose to confer life-long protection against YFV infection has since been established. Recent evidence published elsewhere suggests that at least a second dose is needed to fully protect against YF disease...
February 2018: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29141337/-epidemiology-of-imported-infectious-diseases-in-china-2013-2016
#8
Y L Wang, X Wang, R Q Ren, L Zhou, W W Tu, D X Ni, Q Li, Z J Feng, Y P Zhang
Objective: To describe the epidemic of imported infectious diseases in China between 2013 and 2016, including the kinds of infectious diseases, affected provinces, source countries and the epidemiological characteristics, and provide scientific information for the prevention and control of imported infectious diseases. Methods: Data of cases of imported infectious diseases in China from 2013 to 2016 were collected from national information reporting system of infectious diseases, Microsoft Excel 2010 and SPSS 18...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29112671/travel-characteristics-and-pretravel-health-care-among-pregnant-or-breastfeeding-u-s-women-preparing-for-international-travel
#9
Stefan H F Hagmann, Sowmya R Rao, Regina C LaRocque, Stefanie Erskine, Emily S Jentes, Allison T Walker, Elizabeth D Barnett, Lin H Chen, Davidson H Hamer, Edward T Ryan
OBJECTIVE: To study characteristics and preventive interventions of adult pregnant and breastfeeding travelers seeking pretravel health care in the United States. METHODS: This cross-sectional study analyzed data (2009-2014) of pregnant and breastfeeding travelers seen at U.S. travel clinics participating in Global TravEpiNet. Nonpregnant, nonbreastfeeding adult female travelers of childbearing age were used for comparison. We evaluated the prescription of malaria chemoprophylaxis and antibiotics for this population as well as the administration of three travel-related vaccines: hepatitis A, typhoid, and yellow fever...
December 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28986827/sampling-design-and-mosquito-trapping-for-surveillance-of-arboviral-activity
#10
Luís E Paternina, Juan David Rodas
Mosquitoes are the most important vectors for arboviral human diseases across the world. Diseases such as Dengue Fever (DF), West Nile Virus (WNV), Yellow Fever (YF), Japanese Encephalitis (JE), Venezuelan Equine Encephalitis (VEE), and St. Louis Encephalitis (SLE), among others, have a deep impact in public health. Usually mosquitoes acquire the arboviral infection when they feed on viremic animals (birds or mammals), so their infection can be detected along the year or in short periods of time (seasons). All of this depends on the frequency and seasonality of the encounters between viremic animals and vectors...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28958813/chronovac-voyageur-a-study-of-the-immune-response-to-yellow-fever-vaccine-among-infants-previously-immunized-against-measles
#11
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/28925936/an-atypical-local-vesicular-reaction-to-the-yellow-fever-vaccine
#12
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/28885461/vaccinations-and-malaria-chemoprophylaxis-of-adolescents-traveling-from-greece-to-international-destinations-a-nine-year-prospective-study
#13
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
https://www.readbyqxmd.com/read/28859053/notes-from-the-field-fatal-yellow-fever-in-a-traveler-returning-from-peru-new-york-2016
#14
Alexandra P Newman, Rebecca Becraft, Amy B Dean, Rene Hull, Bryon Backenson, Gillian Hale, Janeen Laven, Julu Bhatnagar, J Erin Staples
No abstract text is available yet for this article.
September 1, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28846489/zika-chikungunya-and-other-emerging-vector-borne-viral-diseases
#15
Scott C Weaver, Caroline Charlier, Nikos Vasilakis, Marc Lecuit
Arthropod-borne viruses (arboviruses) have a long history of emerging to infect humans, but during recent decades, they have been spreading more widely and affecting larger populations. This is due to several factors, including increased air travel and uncontrolled mosquito vector populations. Emergence can involve simple spillover from enzootic (wildlife) cycles, as in the case of West Nile virus accompanying geographic expansion into the Americas; secondary amplification in domesticated animals, as seen with Japanese encephalitis, Venezuelan equine encephalitis, and Rift Valley fever viruses; and urbanization, in which humans become the amplification hosts and peridomestic mosquitoes, mainly Aedes aegypti, mediate human-to-human transmission...
August 28, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/28753671/self-reported-infections-during-international-travel-and-notifiable-infections-among-returning-international-travellers-sweden-2009-2013
#16
Viktor Dahl, Anders Wallensten
We studied food and water-borne diseases (FWDs), sexually transmitted diseases (STDs), vector-borne diseases (VBDs) and diseases vaccinated against in the Swedish childhood vaccination programme among Swedish international travellers, in order to identify countries associated with a high number of infections. We used the national database for notifiable infections to estimate the number of FWDs (campylobacteriosis, salmonellosis, giardiasis, shigellosis, EHEC, Entamoeba histolytica, yersinosis, hepatitis A, paratyphoid fever, typhoid fever, hepatitis E, listeriosis, cholera), STIs (chlamydia, gonorrhoea and acute hepatitis B), VBDs (dengue fever, malaria, West Nile fever, Japanese encephalitis and yellow fever) and diseases vaccinated against in the Swedish childhood vaccination programme (pertussis, measles, mumps, rubella, diphtheria) acquired abroad 2009-2013...
2017: PloS One
https://www.readbyqxmd.com/read/28749924/update-temporary-total-depletion-of-u-s-licensed-yellow-fever-vaccine-for-civilian-travelers-addressed-by-investigational-new-drug-use-of-imported-stamaril-vaccine
#17
Mark D Gershman, Mark J Sotir
Sanofi Pasteur, the manufacturer of the only yellow fever vaccine (YF-VAX) licensed in the United States, has announced that their stock of YF-VAX is totally depleted as of July 24, 2017. YF-VAX for civilian use will be unavailable for ordering from Sanofi Pasteur until mid-2018, when their new manufacturing facility is expected to be completed. However, YF-VAX might be available at some clinics for several months, until remaining supplies at those sites are exhausted. In anticipation of this temporary total depletion, in 2016, Sanofi Pasteur submitted an expanded access investigational new drug application to the Food and Drug Administration to allow for importation and use of Stamaril...
July 28, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28749337/international-risk-of-yellow-fever-spread-from-the-ongoing-outbreak-in-brazil-december-2016-to-may-2017
#18
Ilaria Dorigatti, Arran Hamlet, Ricardo Aguas, Lorenzo Cattarino, Anne Cori, Christl A Donnelly, Tini Garske, Natsuko Imai, Neil M Ferguson
States in south-eastern Brazil were recently affected by the largest Yellow Fever (YF) outbreak seen in a decade in Latin America. Here we provide a quantitative assessment of the risk of travel-related international spread of YF indicating that the United States, Argentina, Uruguay, Spain, Italy and Germany may have received at least one travel-related YF case capable of seeding local transmission. Mitigating the risk of imported YF cases seeding local transmission requires heightened surveillance globally...
July 13, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28713453/yellow-fever-and-traveling-athletes-is-competing-in-brazil-safe
#19
Rodrigo Luiz Vancini, Marília Santos Andrade, Cássia Regina Vancini-Campanharo, Claudio Andre Barbosa de Lira
No abstract text is available yet for this article.
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28698027/access-to-yellow-fever-travel-vaccination-centres-in-england-wales-and-northern-ireland-a-geographical-study
#20
Jakob Petersen, Hilary Simons, Dipti Patel
BACKGROUND: More than 700,000 trips were made by residents in England, Wales, and Northern Ireland (EWNI) in 2015 to tropical countries endemic for yellow fever, a potentially deadly, yet vaccine-preventable disease transmitted by mosquitoes. The aim of this study was to map the geographical accessibility of yellow fever vaccination centres (YFVC) in EWNI. METHODS: The location of 3208 YFVC were geocoded and the average geodetic distance to nearest YFVC was calculated for each population unit...
July 2017: Travel Medicine and Infectious Disease
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