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Yellow fever in travellers

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https://www.readbyqxmd.com/read/28753671/self-reported-infections-during-international-travel-and-notifiable-infections-among-returning-international-travellers-sweden-2009-2013
#1
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
#2
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
#3
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
#4
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
#5
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 8, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28687779/potential-risk-of-re-emergence-of-urban-transmission-of-yellow-fever-virus-in-brazil-facilitated-by-competent-aedes-populations
#6
Dinair Couto-Lima, Yoann Madec, Maria Ignez Bersot, Stephanie Silva Campos, Monique de Albuquerque Motta, Flávia Barreto Dos Santos, Marie Vazeille, Pedro Fernando da Costa Vasconcelos, Ricardo Lourenço-de-Oliveira, Anna-Bella Failloux
Yellow fever virus (YFV) causing a deadly viral disease is transmitted by the bite of infected mosquitoes. In Brazil, YFV is restricted to a forest cycle maintained between non-human primates and forest-canopy mosquitoes, where humans can be tangentially infected. Since late 2016, a growing number of human cases have been reported in Southeastern Brazil at the gates of the most populated areas of South America, the Atlantic coast, with Rio de Janeiro state hosting nearly 16 million people. We showed that the anthropophilic mosquitoes Aedes aegypti and Aedes albopictus as well as the YFV-enzootic mosquitoes Haemagogus leucocelaenus and Sabethes albiprivus from the YFV-free region of the Atlantic coast were highly susceptible to American and African YFV strains...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28619415/international-travelers-sociodemographic-health-and-travel-characteristics-an-italian-study
#7
Gianmarco Troiano, Astrid Mercone, Alessandra Bagnoli, Nicola Nante
BACKGROUND: Approximately the 8% of travelers requires medical care, with the diagnosis of a vaccine-preventable disease. The aim of our study was to analyze the socio-demographic, health and travel characteristics of the Italian international travelers. METHODS: We conducted a cross sectional study from January 2015 to June 2016, at the Travel Medicine Clinic of Siena, asking the doctor to interview patients who attended the Clinic, recording socio-demographic and travel information, malaria prophylaxis, vaccinations...
March 2017: Annals of Global Health
https://www.readbyqxmd.com/read/28472025/addressing-a-yellow-fever-vaccine-shortage-united-states-2016-2017
#8
Mark D Gershman, Kristina M Angelo, Julian Ritchey, David P Greenberg, Riyadh D Muhammad, Gary Brunette, Martin S Cetron, Mark J Sotir
Recent manufacturing problems resulted in a shortage of the only U.S.-licensed yellow fever vaccine. This shortage is expected to lead to a complete depletion of yellow fever vaccine available for the immunization of U.S. travelers by mid-2017. CDC, the Food and Drug Administration (FDA), and Sanofi Pasteur are collaborating to ensure a continuous yellow fever vaccine supply in the United States. As part of this collaboration, Sanofi Pasteur submitted an expanded access investigational new drug (eIND) application to FDA in September 2016 to allow for the importation and use of an alternative yellow fever vaccine manufactured by Sanofi Pasteur France, with safety and efficacy comparable to the U...
May 5, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28426111/importation-of-yellow-fever-into-china-assessing-travel-patterns
#9
Annelies Wilder-Smith, W Y Leong
Rapid increase in trade and a growing air passenger market encourages high travel volume between the regions associated with increasing risks of such importations including China. Eleven Chinese workers infected during the 2016 yellow fever (YF) outbreak in Angola imported YF into China highlighting the potential for spread into Asia. Using outbound and inbound travel data, we assessed travel patterns from and to YF endemic countries in relation to China. Among YF endemic countries, Angola has the second highest number of travellers into China and also receives the second highest number of Chinese visitors...
July 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28414681/what-can-erode-through-lungs-bone-and-skin
#10
J M Manalac, D Shankaranayanan, J Paul-Olivier, L Guidry, N R Sells
CASE: A 51 year old African American Man without significant past history presented with three weeks of persistent cough productive of copious yellow sputum. He denied fevers, chills, hemoptysis, dyspnea, weight or appetite changes, sick contacts, recent travel. On physical examination, the patient was afebrile and appeared comfortable. He had decreased air entry of the left lower lobe with dullness to percussion. A 5x3 cm fluctuant mass was incidentally found on the left anterior chest wall at the level of the 11th rib with yellow expressible exudate at which time the patient reported a minor trauma sustained 3 weeks prior...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28407772/the-end-of-a-dogma-the-safety-of-doxycycline-use-in-young-children-for-malaria-treatment
#11
REVIEW
Tiphaine Gaillard, Sébastien Briolant, Marylin Madamet, Bruno Pradines
Anti-malarial drug resistance to chloroquine and sulfadoxine-pyrimethamine has spread from Southeast Asia to Africa. Furthermore, the recent emergence of resistance to artemisinin-based combination therapy (ACT) in Southeast Asia highlights the need to identify new anti-malarial drugs. Doxycycline is recommended for malaria chemoprophylaxis for travel in endemic areas, or in combination with the use of quinine for malaria treatment when ACT is unavailable or when the treatment of severe malaria with artesunate fails...
April 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28358796/yellow-fever-outbreak-kongo-central-province-democratic-republic-of-the-congo-august-2016
#12
John O Otshudiema, Nestor G Ndakala, Elande-Taty K Mawanda, Gaston P Tshapenda, Jacques M Kimfuta, Loupy-Régence N Nsibu, Abdou S Gueye, Jacob Dee, Rossanne M Philen, Coralie Giese, Christopher S Murrill, Ray R Arthur, Benoit I Kebela
On April 23, 2016, the Democratic Republic of the Congo's (DRC's) Ministry of Health declared a yellow fever outbreak. As of May 24, 2016, approximately 90% of suspected yellow fever cases (n = 459) and deaths (45) were reported in a single province, Kongo Central Province, that borders Angola, where a large yellow fever outbreak had begun in December 2015. Two yellow fever mass vaccination campaigns were conducted in Kongo Central Province during May 25-June 7, 2016 and August 17-28, 2016. In June 2016, the DRC Ministry of Health requested assistance from CDC to control the outbreak...
March 31, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28333617/yellow-fever-in-a-traveller-returning-from-suriname-to-the-netherlands-march-2017
#13
Marjan Wouthuyzen-Bakker, Marjolein Knoester, Aad P van den Berg, Corine H GeurtsvanKessel, Marion Pg Koopmans, Coretta Van Leer-Buter, Bob Oude Velthuis, Suzan D Pas, Wilhelmina Lm Ruijs, Jonas Schmidt-Chanasit, Stephen Gs Vreden, Tjip S van der Werf, Chantal Bem Reusken, Wouter Fw Bierman
A Dutch traveller returning from Suriname in early March 2017, presented with fever and severe acute liver injury. Yellow fever was diagnosed by (q)RT-PCR and sequencing. During hospital stay, the patient's condition deteriorated and she developed hepatic encephalopathy requiring transfer to the intensive care. Although yellow fever has not been reported in the last four decades in Suriname, vaccination is recommended by the World Health Organization for visitors to this country.
March 16, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28301270/japanese-encephalitis-vaccines-immunogenicity-protective-efficacy-effectiveness-and-impact-on-the-burden-of-disease
#14
Nagendra R Hegde, Milind M Gore
Japanese encephalitis (JE) is a serious public health concern in most of Asia. The disease is caused by JE virus (JEV), a flavivirus transmitted by Culex mosquitoes. Several vaccines have been developed to control JE in endemic areas as well as to protect travelers and military personnel who visit or are commissioned from non-endemic to endemic areas. The vaccines include inactivated vaccines produced in mouse brain or cell cultures, live attenuated vaccines, and a chimeric vaccine based on the live attenuated yellow fever virus 17D vaccine strain...
June 3, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28205633/does-zika-virus-infection-affect-mosquito-response-to-repellents
#15
Walter S Leal, Rosângela M R Barbosa, Fangfang Zeng, Gabriel B Faierstein, Kaiming Tan, Marcelo H S Paiva, Duschinka R D Guedes, Mônica M Crespo, Constância F J Ayres
The World Health Organization (WHO) recommends that people travelling to or living in areas with Zika virus (ZIKV) outbreaks or epidemics adopt prophylactic measures to reduce or eliminate mosquito bites, including the use of insect repellents. It is, however, unknown whether repellents are effective against ZIKV-infected mosquitoes, in part because of the ethical concerns related to exposing a human subject's arm to infected mosquitoes in the standard arm-in-cage assay. We used a previously developed, human subject-free behavioural assay, which mimics a human subject to evaluate the top two recommended insect repellents...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28104695/infectious-disease-risk-and-international-tourism-demand
#16
Jaume Rosselló, Maria Santana-Gallego, Waqas Awan
Context:  For some countries, favourable climatic conditions for tourism are often associated with favourable conditions for infectious diseases, with the ensuing development constraints on the tourist sectors of impoverished countries where tourism's economic contribution has a high potential. This paper evaluates the economic implications of eradication of Malaria, Dengue, Yellow Fever and Ebola on the affected destination countries focusing on the tourist expenditures. Methods:  A gravity model for international tourism flows is used to provide an estimation of the impact of each travel-related disease on international tourist arrivals...
May 1, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28006649/serodiagnosis-of-zika-virus-zikv-infections-by-a-novel-ns1-based-elisa-devoid-of-cross-reactivity-with-dengue-virus-antibodies-a-multicohort-study-of-assay-performance-2015-to-2016
#17
Katja Steinhagen, Christian Probst, Christiane Radzimski, Jonas Schmidt-Chanasit, Petra Emmerich, Marjan van Esbroeck, Janke Schinkel, Martin P Grobusch, Abraham Goorhuis, Jens M Warnecke, Erik Lattwein, Lars Komorowski, Andrea Deerberg, Sandra Saschenbrecker, Winfried Stöcker, Wolfgang Schlumberger
Serological diagnosis of Zika virus (ZIKV) infections is challenging due to high cross-reactivity between flaviviruses. We evaluated the diagnostic performance of a novel anti-ZIKV ELISA based on recombinant ZIKV non-structural protein 1 (NS1). Assay sensitivity was examined using sera from 27 patients with reverse transcription (RT)-PCR-confirmed and 85 with suspected ZIKV infection. Specificity was analysed using sera from 1,015 healthy individuals. Samples from 252 patients with dengue virus (n = 93), West Nile virus (n = 34), Japanese encephalitis virus (n = 25), chikungunya virus (n = 19) or Plasmodium spp...
December 15, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/27960239/histopathology-of-vaccine-preventable-diseases
#18
REVIEW
Isaac H Solomon, Danny A Milner
The widespread use of vaccines has been one of the most important medical advances in the last century, saving trillions of dollars and millions of lives. Despite local eradication of some infections, travellers returning from affected areas may cause outbreaks through reintroduction of pathogens to individuals who are unable to receive vaccines for medical reasons or who have declined vaccination for non-medical reasons. Infections that would otherwise be uncommonly encountered by anatomical pathologists should therefore remain in the differential diagnosis for immunocompromised and unvaccinated patients...
January 2017: Histopathology
https://www.readbyqxmd.com/read/27771122/-vaccination-status-in-psoriasis-patients-on-immunosuppressant-therapy-including-biologics
#19
A Bonhomme, E Fréling, M Reigneau, C Poreaux, A Valois, F Truchetet, A Barbaud, J-L Schmutz
OBJECTIVES: To evaluate the vaccine coverage of psoriasis patients prior to initiating or changing immunosuppressant therapy, and to verify that the prescribed vaccines have been administered. PATIENTS AND METHODS: We conducted a bi-centre, observational, cross-sectional study over 9 months. Psoriasis patients in whom immunosuppressant therapy (comprising cyclosporine, methotrexate, etanercept, infliximab, adalimumab or ustekinumab) was indicated were included. Medical history, previous treatments, vaccination status, viral serology results (for hepatitis B, measles, and chickenpox), and reasons for non-vaccination were assessed via questionnaire...
February 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/27757795/yellow-fever-and-hajj-with-all-eyes-on-zika-a-familiar-flavivirus-remains-a-threat
#20
Qanta A Ahmed, Ziad A Memish
Hajj is among the world's largest mass gatherings, drawing between 2 and 3.5 million Muslims from 183 nations annually to perform pilgrimage in Mecca, Saudi Arabia. Infectious disease outbreaks can be imported both into the Hajj population and exported internationally by returning pilgrims. The domestic Saudi population can also be at risk of outbreaks traveling amid this mass migration. With yellow fever reported for the first time in China following the infection of expatriate Chinese workers in Angola and a full blown outbreak underway in wider West Africa, the prospect of yellow fever outbreaks in Asia threatens to impact Saudi Arabia, both during and beyond the Hajj season...
December 2016: Frontiers of Medicine
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