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Infection surveillance

Tiziana Lazzarotto, Angela Chiereghin, Antonio Piralla, Giulia Piccirilli, Alessia Girello, Giulia Campanini, Liliana Gabrielli, Cristina Costa, Arcangelo Prete, Francesca Bonifazi, Alessandro Busca, Roberto Cairoli, Anna Amelia Colombo, Marco Zecca, Francesca Sidoti, Gabriele Bianco, Pierpaolo Paba, Carlo Federico Perno, Rossana Cavallo, Fausto Baldanti
Currently, no consensus has been reached on the optimal blood compartment to be used for surveillance of cytomegalovirus (CMV) and Epstein-Barr virus (EBV) DNAemia. Although several comparative studies have been performed correlating CMV and EBV DNA loads in whole blood (WB) vs plasma, to our knowledge, no studies have ever analyzed the kinetics of both viruses in the two blood compartments. In this retrospective non-interventional multicenter cohort study the kinetics of CMV and EBV DNA in 121 hematopoietic stem cell transplant recipients (HSCTR) have been investigated by analyzing in parallel 569 and 351 paired samples from 80 and 58 sequential episodes of CMV and EBV DNAemia, respectively...
March 12, 2018: Biology of Blood and Marrow Transplantation
Bakary Sanneh, Alhagie Papa Sey, Minesh Shah, Jacqueline Tate, Mariama Sonko, Sheriffo Jagne, ModouLamin Jarju, Dawda Sowe, Makie Taal, Adam Cohen, Umesh Parashar, Jason M Mwenda
INTRODUCTION: Rotavirus vaccines protect against the leading cause of severe childhood diarrhoea, and have been introduced in many low-income African countries. The Gambia introducedRotateq® (RV5) into their national immunization program in 2013. We revieweddata from an active rotavirus sentinel surveillancesitefor early evidence of vaccine impact. METHODS: We compared rotavirus prevalence in diarrhoeal stool in children< 5 years of age admittedat the Edward Francis Small Teaching Hospital sentinel surveillance site before (2013) andafterRV5 introduction (2015-2016) in the Gambia...
March 12, 2018: Vaccine
Khaled R Alkharsah, Suriya Rehman, Fatimah Alkhamis, Amani Alnimr, Asim Diab, Amein K Al-Ali
BACKGROUND: Methicillin resistant Staphylococcus aureus (MRSA) constitutes a major global health concern causing hospital and community acquired infections. A wide diversity of MRSA genotypes are circulating in geographically related regions. Therefore understanding the molecular epidemiology of MRSA is fundamental to design control and clearance measures. METHODS: A total of 106 MRSA isolates from infection (51) and carrier colonization sites (55) are characterized genetically based on SCCmec and MLST genotyping methods in addition to detection of PVL, TSST-1 and enterotoxins...
March 15, 2018: Annals of Clinical Microbiology and Antimicrobials
Julie Rivière, Yann Le Strat, Pascal Hendrikx, Barbara Dufour
Bovine tuberculosis (bTB) is a common disease of cattle and wildlife, with economic repercussions and implications for animal and human health. The surveillance of bTB in wildlife is particularly important, to shed light on the epidemiological role of wild species and for the adaptation of control measures. In France, a bTB surveillance system for free-ranging wildlife, the Sylvatub system, was launched in 2011 on wild boars, red deer, roe deer and badgers. It relies on active and passive surveillance activities, constrained by practical difficulties, such as the accessibility of wild animals, and regulatory rules for the trapping of badgers, for example...
2018: PloS One
Jihyun An, Jong Woo Kim, Ju Hyun Shim, Seungbong Han, Chang Sik Yu, Jaewon Choe, Danbi Lee, Kang Mo Kim, Young-Suk Lim, Young-Hwa Chung, Yung Sang Lee, Dong Jin Suh, Jin Hyoung Kim, Han Chu Lee
BACKGROUND: Prior epidemiological evidences suggest that hepatitis B virus (HBV) infection is linked to cancers other than hepatocellular carcinoma. This prospective hospital registry-based case-control study aimed to investigate the sero-epidemiological association between chronic HBV infection and various types of cancer. METHODS: 95,034 patients with first-diagnosed non-hepatocellular malignancy in a tertiary hospital between 2007 and 2014; and 118,891 non-cancer individuals as controls from a health promotion center were included...
2018: PloS One
Kara N Durski, Andrea M McCollum, Yoshinori Nakazawa, Brett W Petersen, Mary G Reynolds, Sylvie Briand, Mamoudou Harouna Djingarey, Victoria Olson, Inger K Damon, Asheena Khalakdina
The recent apparent increase in human monkeypox cases across a wide geographic area, the potential for further spread, and the lack of reliable surveillance have raised the level of concern for this emerging zoonosis. In November 2017, the World Health Organization (WHO), in collaboration with CDC, hosted an informal consultation on monkeypox with researchers, global health partners, ministries of health, and orthopoxvirus experts to review and discuss human monkeypox in African countries where cases have been recently detected and also identify components of surveillance and response that need improvement...
March 16, 2018: MMWR. Morbidity and Mortality Weekly Report
Susan Kane Patton, Bailey Phillips
Evidence-based strategies for nurses. ABSTRACT: Lyme disease is recognized as the most common vector-borne disease in the United States. Surveillance data indicate both increasing numbers of Lyme disease cases and geographic expansion of areas where the causative spirochete, Borrelia burgdorferi, can be found. With prompt diagnosis and appropriate treatment in the acute stage, most patients will recover fully. Without treatment, however, the infecting pathogen remains within the body, often producing long-term complications, including musculoskeletal, neurologic, and cardiovascular effects...
March 14, 2018: American Journal of Nursing
Norelle Sherry, Benjamin Howden
Multidrug-resistant (MDR) and extensively-drug-resistant (XDR) Gram-negative bacteria have emerged as a major threat to human health globally. This has resulted in the "re-discovery" of some older antimicrobials and development of new agents, however resistance has also rapidly emerged to these agents. Areas Covered: Here we describe recent developments in resistance to three of the most important last-line antimicrobials for treatment of MDR and XDR Gram negatives: fosfomycin, colistin and ceftazidime-avibactam...
March 15, 2018: Expert Review of Anti-infective Therapy
Nongluk Sriwilaijaroen, Shin-Ichi Nakakita, Sachiko Kondo, Hirokazu Yagi, Koichi Kato, Takeomi Murata, Hiroaki Hiramatsu, Toshio Kawahara, Yohei Watanabe, Yasushi Kanai, Takao Ono, Jun Hirabayashi, Kazuhiko Matsumoto, Yasuo Suzuki
The rapidly evolvable influenza A virus has caused pandemics linked to millions of deaths in the past century. Influenza A viruses are categorized by H (hemagglutinin; HA) and N (neuraminidase; NA) proteins expressed on the viral envelope surface. Analyses of past pandemics suggest that the HA gene segment comes from a nonhuman virus, which is then introduced into an immunologically naïve human population with potentially devastating consequences. As a prerequisite for infection, the nonhuman HA molecules of H1-H16 viruses must be able to bind to specific sialyl receptors on the host cell surface along the human respiratory tract...
March 15, 2018: FEBS Journal
Xian Qi, Xiaofei An, Yongjun Jiao, Huiyan Yu, Ke Xu, Lunbiao Cui, Shenjiao Wang, Fei Deng, Xiang Huo, Haodi Huang, Qigang Dai, Changjun Bao
Five epidemic waves of human infection with influenza A (H7N9) virus have emerged in China since spring 2013. We previously described the epidemiological characterization of the fifth wave in Jiangsu province. In this study, 41 H7N9 viruses from patients and live-poultry markets were isolated and sequenced to further elucidate the genetic features of viruses of the fifth wave in Jiangsu province. Phylogenetic analysis revealed substantial genetic diversity in the internal genes, and 18 genotypes were identified from the 41 H7N9 virus strains...
March 14, 2018: Archives of Virology
Charlene Eliza Thornton, Hannah Grace Dahlen
OBJECTIVES: To determine incidence, associated factors, outcomes and geographical occurrence of born before arrival (BBA) in New South Wales, Australia. DESIGN: A linked population data study involving population-based surveillance systems was undertaken for the years 2000-2011. SETTING: New South Wales, Australia. PARTICIPANTS: All women who underwent BBA compared with women who birthed in hospital/birth centre settings...
March 14, 2018: BMJ Open
Jin Yang Baek, Cheol-In Kang, So Hyun Kim, Kwan Soo Ko, Doo Ryeon Chung, Kyong Ran Peck, Nam Yong Lee, Jae-Hoon Song
The use of fluoroquinolones to treat respiratory tract infections and pneumonia due to Streptococcus pneumoniae has affected the emergence of resistance to this class of drugs. Increasing pneumococcal resistance to levofloxacin has become a major public health concern. We investigated the prevalence and genetic characteristics of levofloxacin-nonsusceptible S. pneumoniae (LNSP) clinical isolates in Korea. A total of 43 LNSP isolates collected from a national surveillance study at 13 tertiary hospitals between 2008 and 2014 were analyzed for serotype and antimicrobial susceptibilities to 19 antimicrobial agents as well as the quinolone resistance-determining region mutation...
February 16, 2018: Diagnostic Microbiology and Infectious Disease
Farouq Muhammad Dayyab, Garba Iliyasu, Aliyu Aminu, Zaiyad Garba Habib, Abdulwasiu Bolaji Tiamiyu, Sirajo Haliru Tambuwal, Muhammad Musa Borodo, Abdulrazaq Garba Habib
Background: Hospital-acquired infections (HAIs) are an important cause of morbidity and mortality. This study examined the epidemiology, clinical outcomes and microbiological profile of HAIs. Methods: This prospective study was carried out on patients identified to have developed HAIs while admitted to the medical wards, surgical wards, dialysis unit and intensive care unit (ICU) of the hospital. Patients were recruited consecutively until the target study population was reached...
March 12, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
Carsten Schwarz, Patrick Vandeputte, Amandine Rougeron, Sandrine Giraud, Thomas Dugé de Bernonville, Ludovic Duvaux, Amandine Gastebois, Ana Alastruey-Izquierdo, Maria Teresa Martín-Gomez, Estrella Martin Mazuelos, Amparo Sole, Josep Cano, Javier Pemán, Guillermo Quindos, Françoise Botterel, Marie-Elisabeth Bougnoux, Sharon Chen, Laurence Delhaès, Loïc Favennec, Stéphane Ranque, Ludwig Sedlacek, Joerg Steinmann, Jose Vazquez, Craig Williams, Wieland Meyer, Solène Le Gal, Gilles Nevez, Maxime Fleury, Nicolas Papon, Françoise Symoens, Jean-Philippe Bouchara
Cystic fibrosis (CF) is the major genetic inherited disease in Caucasian populations. The respiratory tract of CF patients displays a sticky viscous mucus, which allows for the entrapment of airborne bacteria and fungal spores and provides a suitable environment for growth of microorganisms, including numerous yeast and filamentous fungal species. As a consequence, respiratory infections are the major cause of morbidity and mortality in this clinical context. Although bacteria remain the most common agents of these infections, fungal respiratory infections have emerged as an important cause of disease...
April 1, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
C Talero-Gutiérrez, A Rivera-Molina, C Pérez-Pavajeau, I Ossa-Ospina, C Santos-García, M C Rojas-Anaya, A de-la-Torre
Zika virus (ZIKV) infection is an emergent worldwide public health problem. Historically, 84 countries have reported vector-borne ZIKV transmission, 61 of which report on-going transmission. It is a Flavivirus transmitted through arthropods belonging to the Aedes genus. Since 2015, ZIKV infections have increased dramatically; with 1.3 million people infected during 2015 in Brazil alone. This paper's objective is to highlight the conjectural epidemiological points of the virus' dissemination. The digital archives Pubmed, MEDLINE, EMBASE and Cochrane were searched for papers that assessed aspects of ZIKV transmission and epidemiology...
March 14, 2018: Epidemiology and Infection
Zhou Hua-Yun, Wang Wei-Ming, Zhu Guo-Ding, Cao Yuan-Yuan, Gu Ya-Ping, Xu Sui, Zhang Chao, Lu Feng, Cao Jun
OBJECTIVE: To understand the malaria epidemic situation and characteristics in Jiangsu Province in 2016, so as to provide the evidence for formulating and adjusting the strategy and measures for malaria elimination. METHODS: The data of malaria cases in Jiangsu Province in 2016 were collected from China's Routine Diseases Surveillance Information System (CRD-SIS) and analyzed statistically. RESULTS: Totally, 308 malaria cases were reported in Jiangsu Province in 2016, and the cases decreased by 23...
February 26, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Hu He-Hua, Zhang Xia, Zhang Chun-Bin, Yao Yi-Bin, Cui Cai-Xia, Li Xia, Wen Xiao-Hong, Liu Jun, Xiao Chuan-Yun, Liu Xiong, Cao Chun-Li
OBJECTIVE: To investigate the changes of serum anti-schistosome antibody titers in schistosomiasis japonica patients after treatment, in order to provide the evidence for formulating the schistosomiasis surveillance program in marshland and lake regions. METHODS: Upon prospective cohort study, the stool examination positive schistosomiasis patients and blood examination positive suspected patients (the titer was more than 1:80, including 1:80) were selected as the research objects in Jiangling County in 2014, and they received the 2-day praziquantel therapy...
January 15, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
S Napp, N Majó, R Sánchez-Gónzalez, J Vergara-Alert
Circulation of highly pathogenic avian influenza (HPAI) viruses poses a continuous threat to animal and public health. After the 2005-2006 H5N1 and the 2014-2015 H5N8 epidemics, another H5N8 is currently affecting Europe. Up to August 2017, 1,112 outbreaks in domestic and 955 in wild birds in 30 European countries have been reported, the largest epidemic by a HPAI virus in the continent. Here, the main epidemiological findings are described. While some similarities with previous HPAI virus epidemics were observed, for example in the pattern of emergence, significant differences were also patent, in particular the size and extent of the epidemic...
March 14, 2018: Transboundary and Emerging Diseases
Nicolas Keck, Maria-Laura Boschiroli, Florence Smyej, Valérie Vogler, Jean-Louis Moyen, Stéphanie Desvaux
In the French Camargue region, where bovine tuberculosis had been enzootic for several years in bullfighting cattle herds, the gamma-interferon (IFN) assay was used since 2003 in parallel with the intradermal test in order to increase overall disease detection sensitivity in infected herds. This study presents the results of a field-evaluation of the assay during a 10-year period (2004-2014) of disease control and surveillance program and explores the particular pattern of IFN assay results in bullfight herds in comparison to cattle from other regions of France...
2018: Frontiers in Veterinary Science
Abir Monastiri, Badereddine Mechri, Ana Vázquez-González, Meriadeg Ar Gouilh, Mohamed Chakroun, Chawki Loussaief, Maha Mastouri, Najet Dimassi, Lamjed Boughzala, Mahjoub Aouni, Jordi Serra-Cobo
A West Nile virus (WNV) outbreak occurred in Tunisia between mid-July and December 2012. To assess the epidemiological features of the WNV transmission cycle, human cerebrospinal fluid samples from patients with suspected cases (n = 79), Culex pipiens mosquitoes (n = 583) and serum specimens from domestic and migratory birds (n = 70) were collected for 4 years (2011-2014) in the Tunisian Sahel region. Viral testing was performed by polymerase chain reaction (PCR). The WNV genome was detected in 7 patients (8...
March 14, 2018: Emerging Microbes & Infections
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