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https://www.readbyqxmd.com/read/28102513/incidence-of-cryptosporidium-andersoni-in-diarrheal-patients-from-southern-assam-india-a-molecular-approach
#1
G Hussain, S Roychoudhury, B Singha, J Paul
The distribution and public health significance of Cryptosporidium species and genotypes in humans and bovine differ across geographical areas. Cryptosporidium species causes a disease known as cryptosporidiosis in humans and animals. To characterize the prevalence of cryptosporidiosis in humans in southern Assam, India, stool samples (n = 1119) of diarrhea patients were collected from different hospitals and from the community during the period January 2014 to July 2016. Fecal smears were examined microscopically for Cryptosporidium species using modified acid fast staining and were screened to ascertain the presence of Cryptosporidium antigen by enzyme-linked immunosorbent assay (ELISA)...
January 19, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28100621/recombinant-adenoviruses-displaying-matrix-2-ectodomain-epitopes-m2e-on-their-fiber-proteins-as-universal-influenza-vaccines
#2
Xinying Tang, Yong Yang, Xiaoli Xia, Chao Zhang, Xi Yang, Yufeng Song, Xinyi Dai, Min Wang, Dongming Zhou
: Influenza is a zoonotic disease that poses severe threats to public health and the global economy. Re-emerging influenza pandemics highlight the demand for universal influenza vaccines. We developed a novel virus platform, AdC68-F3M2e, by introducing three conserved M2e epitopes into the HI loop of the chimpanzee adenovirus (AdV) fiber protein. The M2e epitopes were expressed sufficiently on the AdV virion surface without affecting fiber trimerization. Additionally, one recombinant adenovirus, AdC68-F3M2e(H1-H5-H7), induced robust M2e-specific antibody responses in BALB/c mice after two sequential vaccinations and conferred efficient protection against homologous and heterologous IV challenges...
January 18, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28098813/reverse-vaccinology-an-approach-for-identifying-leptospiral-vaccine-candidates
#3
REVIEW
Odir A Dellagostin, André A Grassmann, Caroline Rizzi, Rodrigo A Schuch, Sérgio Jorge, Thais L Oliveira, Alan J A McBride, Daiane D Hartwig
Leptospirosis is a major public health problem with an incidence of over one million human cases each year. It is a globally distributed, zoonotic disease and is associated with significant economic losses in farm animals. Leptospirosis is caused by pathogenic Leptospira spp. that can infect a wide range of domestic and wild animals. Given the inability to control the cycle of transmission among animals and humans, there is an urgent demand for a new vaccine. Inactivated whole-cell vaccines (bacterins) are routinely used in livestock and domestic animals, however, protection is serovar-restricted and short-term only...
January 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098531/changing-epidemiology-of-human-brucellosis-china-1955-2014
#4
Shengjie Lai, Hang Zhou, Weiyi Xiong, Marius Gilbert, Zhuojie Huang, Jianxing Yu, Wenwu Yin, Liping Wang, Qiulan Chen, Yu Li, Di Mu, Lingjia Zeng, Xiang Ren, Mengjie Geng, Zike Zhang, Buyun Cui, Tiefeng Li, Dali Wang, Zhongjie Li, Nicola A Wardrop, Andrew J Tatem, Hongjie Yu
Brucellosis, a zoonotic disease, was made statutorily notifiable in China in 1955. We analyzed the incidence and spatial-temporal distribution of human brucellosis during 1955-2014 in China using notifiable surveillance data: aggregated data for 1955-2003 and individual case data for 2004-2014. A total of 513,034 brucellosis cases were recorded, of which 99.3% were reported in northern China during 1955-2014, and 69.1% (258, 462/374, 141) occurred during February-July in 1990-2014. Incidence remained high during 1955-1978 (interquartile range 0...
February 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28098070/epidemiology-of-cryptosporidium-infection-in-cattle-in-china-a-review
#5
Chao Gong, Xue-Feng Cao, Lei Deng, Wei Li, Xiang-Ming Huang, Jing-Chao Lan, Qi-Cheng Xiao, Zhi-Jun Zhong, Fan Feng, Yue Zhang, Wen-Bo Wang, Ping Guo, Kong-Ju Wu, Guang-Neng Peng
The present review discusses the findings of cryptosporidiosis research conducted in cattle in China and highlights the currently available information on Cryptosporidium epidemiology, genetic diversity, and distribution in China, which is critical to understanding the economic and public health importance of cryptosporidiosis transmission in cattle. To date, 10 Cryptosporidium species have been detected in cattle in China, with an overall infection rate of 11.9%. The highest rate of infection (19.5%) was observed in preweaned calves, followed by that in juveniles (10...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28096859/occurrence-and-intensity-of-anisakid-nematode-larvae-in-some-commercially-important-fish-species-in-persian-gulf
#6
Maryam Dadar, Alireza Alborzi, Rahim Peyghan, Milad Adel
BACKGROUND: Anisakid nematodes are common parasites of fish, mammals, fish-eating birds, and reptiles with a worldwide distribution, causing diseases in human, fish and important economic losses. METHODS: A preliminary epidemiological study was carried out on Anisakid nematodes larvae in some commercially important fish species to evaluate the anisakid nematode larvae from greater lizardfish, (Saurida tumbil), Japanese thread fin bream (Nemipterus japonicus), crocodile longtom (Tylosurus crocodilus crocodiles) and longfin trevally (Carangoides armatus) from the Persian Gulf of Iran...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28095669/complete-mitochondrial-genome-of-a-tongue-worm-armillifer-agkistrodontis
#7
Jian Li, Fu-Nan He, Hong-Xiang Zheng, Rui-Xiang Zhang, Yi-Jing Ren, Wei Hu
Armillifer agkistrodontis (Ichthyostraca: Pantastomida) is a parasitic pathogen, only reported in China, which can cause a zoonotic disease, pentastomiasis. A complete mitochondrial (mt) genome was 16,521 bp comprising 13 protein-coding genes (PCGs), 22 tRNA genes, 2 rRNA genes, and 1 non-coding region (NCR). A phylogenetic tree drawn with the concatenated amino acid sequences of the 6 conserved PCGs (atp6, cox1-3, and nad2) showed that A. agkistrodontis and Armillifer armillatus constituted a clade Pentastomida which was a sister group of the Branchiura...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28093076/genetic-source-tracking-of-an-anthrax-outbreak-in-shaanxi-province-china
#8
Dong-Li Liu, Jian-Chun Wei, Qiu-Lan Chen, Xue-Jun Guo, En-Min Zhang, Li He, Xu-Dong Liang, Guo-Zhu Ma, Ti-Cao Zhou, Wen-Wu Yin, Wei Liu, Kai Liu, Yi Shi, Jian-Jun Ji, Hui-Juan Zhang, Lin Ma, Fa-Xin Zhang, Zhi-Kai Zhang, Hang Zhou, Hong-Jie Yu, Biao Kan, Jian-Guo Xu, Feng Liu, Wei Li
BACKGROUND: Anthrax is an acute zoonotic infectious disease caused by the bacterium known as Bacillus anthracis. From 26 July to 8 August 2015, an outbreak with 20 suspected cutaneous anthrax cases was reported in Ganquan County, Shaanxi province in China. The genetic source tracking analysis of the anthrax outbreak was performed by molecular epidemiological methods in this study. METHODS: Three molecular typing methods, namely canonical single nucleotide polymorphisms (canSNP), multiple-locus variable-number tandem repeat analysis (MLVA), and single nucleotide repeat (SNR) analysis, were used to investigate the possible source of transmission and identify the genetic relationship among the strains isolated from human cases and diseased animals during the outbreak...
January 17, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28091706/microclimates-might-limit-indirect-spillover-of-the-bat-borne-zoonotic-hendra-virus
#9
Gerardo Martin, Rebecca J Webb, Carla Chen, Raina K Plowright, Lee F Skerratt
Infectious diseases are transmitted when susceptible hosts are exposed to pathogen particles that can replicate within them. Among factors that limit transmission, the environment is particularly important for indirectly transmitted parasites. To try and assess a pathogens' ability to be transmitted through the environment and mitigate risk, we need to quantify its decay where transmission occurs in space such as the microclimate harbouring the pathogen. Hendra virus, a Henipavirus from Australian Pteropid bats, spills-over to horses and humans, causing high mortality...
January 14, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28088247/first-molecular-identification-of-echinococcus-vogeli-and-echinococcus-granulosus-sensu-stricto-g1-revealed-in-feces-of-domestic-dogs-canis-familiaris-from-acre-brazil
#10
Leandro Batista das Neves, Paulo Eduardo Ferlini Teixeira, Sidnei Silva, Fernanda Bittencourt de Oliveira, Daniel Daipert Garcia, Fernanda Barbosa de Almeida, Rosângela Rodrigues-Silva, José Roberto Machado-Silva
BACKGROUND: Echinococcus granulosus (sensu lato) (s.l.) and Echinococcus vogeli are causative agents of chronic zoonotic diseases such as cystic and polycystic echinococcosis, respectively. In Brazil, polycystic echinococcosis has a restricted geographical distribution in the North Region, while cystic echinococcosis is observed in the South Region. Domestic dogs (Canis familiaris) fed with raw viscera represent a risk factor for E. granulosus (s.l.) infection in the South Region. Although this practice is frequent, it remains unclear whether domestic dogs are infected with E...
January 14, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28088124/nipah-virus-transmission-of-a-zoonotic-paramyxovirus
#11
REVIEW
Bronwyn Anne Clayton
Nipah virus is a recently-recognised, zoonotic paramyxovirus that causes severe disease and high fatality rates in people. Outbreaks have occurred in Malaysia, Singapore, India and Bangladesh, and a putative Nipah virus was also recently associated with human disease in the Philippines. Worryingly, human-to-human transmission is common in Bangladesh, where outbreaks occur with near-annual frequency. Onward human transmission of Nipah virus in Bangladesh is associated with close contact with clinically-unwell patients or their infectious secretions...
January 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28081126/a-pan-lyssavirus-taqman-real-time-rt-pcr-assay-for-the-detection-of-highly-variable-rabies-virus-and-other-lyssaviruses
#12
Ashutosh Wadhwa, Kimberly Wilkins, Jinxin Gao, Rene Edgar Condori Condori, Crystal M Gigante, Hui Zhao, Xiaoyue Ma, James A Ellison, Lauren Greenberg, Andres Velasco-Villa, Lillian Orciari, Yu Li
Rabies, resulting from infection by Rabies virus (RABV) and related lyssaviruses, is one of the most deadly zoonotic diseases and is responsible for up to 70,000 estimated human deaths worldwide each year. Rapid and accurate laboratory diagnosis of rabies is essential for timely administration of post-exposure prophylaxis in humans and control of the disease in animals. Currently, only the direct fluorescent antibody (DFA) test is recommended for routine rabies diagnosis. Reverse-transcription polymerase chain reaction (RT-PCR) based diagnostic methods have been widely adapted for the diagnosis of other viral pathogens, but there is currently no widely accepted rapid real-time RT-PCR assay for the detection of all lyssaviruses...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28081063/state-laws-requiring-hand-sanitation-stations-at-animal-contact-exhibits-united-states-march-april-2016
#13
Aila Hoss, Colin Basler, Lauren Stevenson, Kelly Gambino-Shirley, Misha Park Robyn, Megin Nichols
In the United States, animal contact exhibits, such as petting zoos and agricultural fairs, have been sources of zoonotic infections, including infections with Escherichia coli, Salmonella, and Cryptosporidium (1-4). The National Association of State Public Health Veterinarians recommends handwashing after contact with animals as an effective prevention measure to disease transmission at these exhibits (4). This report provides a list of states that have used law, specifically statutes and regulations, as public health interventions to increase hand sanitation at animal contact exhibits...
January 13, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28078983/cutaneous-larva-migrans
#14
Alexander K C Leung, Benjamin Barankin, Kam Lun Hon
BACKGROUND: Cutaneous larva migrans is one of the most common skin diseases reported in travelers returning from tropical regions. Western physicians, however, are often not familiar of this condition. OBJECTIVE: To review in depth the epidemiology, pathophysiology, clinical manifestations, complications, and treatment of cutaneous larva migrans. METHODS: A PubMed search was completed in Clinical Queries using the key term "cutaneous larva migrans"...
January 10, 2017: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/28077743/seroepidemiology-of-human-brucellosis-among-blood-donors-in-southern-ethiopia-calling-attention-to-a-neglected-zoonotic-disease
#15
Bereket Workalemahu, Tsegaye Sewunet, Ayalew Astatkie
Human brucellosis is neglected in southern Ethiopia. Although traditional food processing practices and animal husbandry which increase the risk of brucellosis are common, it has not been properly studied yet. This study was conducted to determine the seroepidemiology of brucellosis among apparently healthy individuals in southern Ethiopia. In the study, blood samples were collected to screen for serum agglutinins reactive to stained antigen of Brucella abortus Standard tube titration was performed for reactive serum to determine the titer of the agglutinin...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077633/surveillance-of-bat-coronaviruses-in-kenya-identifies-relatives-of-human-coronaviruses-nl63-and-229e-and-their-recombination-history
#16
Ying Tao, Mang Shi, Christina Chommanard, Krista Queen, Jing Zhang, Wanda Markotter, Ivan V Kuzmin, Edward C Holmes, Suxiang Tong
: Bats harbor a large diversity of coronaviruses (CoVs), several of which are related to zoonotic pathogens that cause severe disease in humans. Our screening of bat samples collected in Kenya during 2007-2010 not only detected RNA from several novel CoVs but, more significantly, identified sequences that were closely related to human CoVs NL63 and 229E, suggesting that these two human viruses originate from bats. We also demonstrated that human CoV NL63 is a recombinant between NL63-like viruses circulating in Triaenops bats and 229E-like viruses circulating in Hipposideros bats, with the break-point located near 5' and 3' end of the spike (S) protein gene...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077590/molecular-epidemiology-of-ascaris-infection-among-pigs-in-iowa
#17
Jeba Jesudoss Chelladurai, Kaitlyn Murphy, Tymbrie Snobl, Christopher Bader, Cody West, Kylie Thompson, Matthew T Brewer
Ascaris is a large roundworm parasite that infects humans and pigs throughout the world. Molecular markers have been used to study parasite transmission in Ascaris-endemic and -nonendemic regions of the world. In the United States, ascariasis still persists in commercial swine and has been designated a neglected disease of poverty in humans. However, relatively few data are available for evaluation of zoonotic transmission. In the present study, we obtained adult worms from abattoirs and characterized each worm on the basis of the gene encoding nuclear internal transcribed sequence (ITS) and mitochondrial cox1 Restriction fragment-length polymorphism analysis of ITS revealed swine, human, and hybrid genotypes...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077317/zoonotic-pathogens-in-atlantic-forest-wild-rodents-in-brazil-bartonella-and-coxiella-infections
#18
Tatiana Rozental, Michelle Santos Ferreira, Alexandro Guterres, Maria Angélica Mares-Guia, Bernardo R Teixeira, Jonathan Gonçalves, Cibele Rodrigues Bonvicino, Paulo Sergio D'Andrea, Elba Regina Sampaio de Lemos
Zoonotic pathogens comprise a significant and increasing fraction of all emerging and re-emerging infectious diseases that plague humans. Identifying host species is one of the keys to controlling emerging infectious diseases. From March 2007 until April 2012, we collected a total of 131 wild rodents in eight municipalities of Rio de Janeiro, Brazil. We investigated these rodents for infection with Coxiella burnetii, Bartonella spp. and Rickettsia spp. In total, 22.1% (29/131) of the rodents were infected by at least one pathogen; co-infection was detected in 1...
January 8, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28077180/understanding-transmissibility-patterns-of-chagas-disease-through-complex-vector-host-networks
#19
Laura Rengifo-Correa, Christopher R Stephens, Juan J Morrone, Juan Luis Téllez-Rendón, Constantino González-Salazar
Chagas disease is one of the most important vector-borne zoonotic diseases in Latin America. Control strategies could be improved if transmissibility patterns of its aetiologic agent, Trypanosoma cruzi, were better understood. To understand transmissibility patterns of Chagas disease in Mexico, we inferred potential vectors and hosts of T. cruzi from geographic distributions of nine species of Triatominae and 396 wild mammal species, respectively. The most probable vectors and hosts of T. cruzi were represented in a Complex Inference Network, from which we formulated a predictive model and several associated hypotheses about the ecological epidemiology of Chagas disease...
January 12, 2017: Parasitology
https://www.readbyqxmd.com/read/28077161/mathematical-modelling-of-echinococcus-multilocularis-abundance-in-foxes-in-zurich-switzerland
#20
Belen Otero-Abad, Simon R Rüegg, Daniel Hegglin, Peter Deplazes, Paul R Torgerson
BACKGROUND: In Europe, the red fox (Vulpes vulpes) is the main definitive host of Echinococcus multilocularis, the aetiological agent of a severe disease in humans called alveolar echinococcosis. The distribution of this zoonotic parasite among the fox population is remarkably aggregated with few heavily infected animals harbouring much of the parasite burdens and being responsible for most of the environmental parasitic egg contamination. Important research questions explored were: (i) spatial differences in parasite infection pressure related to the level of urbanization; (ii) temporal differences in parasite infection pressure in relation to time of the year; (iii) is herd immunity or an age-dependent infection pressure responsible for the observed parasite abundance; (iv) assuming E...
January 11, 2017: Parasites & Vectors
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