A5020580613- Viral Infections and Vectors
- Vector-borne infectious diseases
- Insect symbiosis and bacterial influences
- Mosquito-borne diseases and control
- Trypanosoma species research and implications
- Climate Change and Health Impacts
- Vector-Borne Animal Diseases
- Zoonotic diseases and public health
- Insect and Pesticide Research
- Yersinia bacterium, plague, ectoparasites research
- Insect Resistance and Genetics
- CRISPR and Genetic Engineering
- Bacillus and Francisella bacterial research
- Malaria Research and Control
- Dermatological diseases and infestations
- Viral Infectious Diseases and Gene Expression in Insects
- Plant Virus Research Studies
- Invertebrate Immune Response Mechanisms
- Global Maternal and Child Health
- Air Quality and Health Impacts
- Entomopathogenic Microorganisms in Pest Control
- Allergic Rhinitis and Sensitization
- Animal Ecology and Behavior Studies
- Parasitic Diseases Research and Treatment
- Viral Infections and Outbreaks Research
Centers for Disease Control and Prevention
2015-2025
National Center for Emerging and Zoonotic Infectious Diseases
2011-2025
Hyattsville Community Development Corporation
2016
University of Bari Aldo Moro
2012
Tohoku University
2009
Vector (United States)
2005
National Center for Infectious Diseases
1993-2002
Yale University
1992-2002
Universidad del Valle de Guatemala
2002
National Institute for Parasitic Diseases
1998
Vectorborne diseases are major causes of death and illness worldwide. In the United States, most common vectorborne pathogens transmitted by ticks or mosquitoes, including those causing Lyme disease; Rocky Mountain spotted fever; West Nile, dengue, Zika virus diseases. This report examines trends in occurrence nationally reportable during 2004-2016.Data reported to National Notifiable Diseases Surveillance System for 16 notifiable 2004-2016 were analyzed; findings tabulated disease, vector...
The blacklegged tick, Ixodes scapularis Say, is the primary vector to humans in eastern United States of Lyme disease spirochete Borrelia burgdorferi, as well causative agents anaplasmosis and babesiosis. Its close relative far western States, tick pacificus Cooley Kohls, that region agents. Since 1991, when standardized surveillance reporting began, case counts have increased steadily number geographical distribution States. Similar trends been observed for To better understand changing...
Lyme disease has increased both in incidence and geographic extent the United States Canada over past two decades. One of underlying causes is changes during same time period distribution abundance primary vectors: Ixodes scapularis Say pacificus Cooley Kohls eastern western North America, respectively. Aside from short periods when they are feeding on hosts, these ticks exist environment where temperature relative humidity directly affect their development, survival, host-seeking behavior....
Haemaphysalis longicornis is a tick indigenous to eastern Asia and an important vector of human animal disease agents, resulting in such outcomes as hemorrhagic fever reduction production dairy cattle by 25%. H. was discovered on sheep New Jersey August 2017 (1). This the first detection United States outside quarantine. In spring 2018, again detected at index site, later, other counties Jersey, seven states States, Arkansas. The hosts included six species domestic animals, wildlife, humans....
Abstract The global climate has been changing over the last century due to greenhouse gas emissions and will continue change this century, accelerating without effective efforts reduce emissions. Ticks tick-borne diseases (TTBDs) are inherently climate-sensitive sensitivity of tick lifecycles climate. Key direct weather sensitivities include survival individual ticks, duration development host-seeking activity ticks. These mean that in some regions a warming may increase survival, shorten...
Abstract The entire 15,363 bp mitochondrial genome was cloned and sequenced from the mosquito Anopheles gambiae. With respect to protein‐coding genes, rRN A genes control region, gene order identical that reported for other insects. There were significant differences, however, in position orientation of specific tRNA loci. overall nucleotide composition heavily biased towards adenine thymine, which accounted 77.6% all nucleotides. Comparisons made with genomes insects on basis size...
At a recent workshop, experts discussed the benefits, risks, and research priorities associated with using genetically manipulated insects in control of vector-borne diseases.
Abstract Ecologic niche modeling may improve our understanding of epidemiologically relevant vector and parasite-reservoir distributions. We used this tool to identify host relationships Triatoma species implicated in transmission Chagas disease. Associations have been documented between the protracta complex (Triatoma: Triatominae: Reduviidae) with packrat (Neotoma spp.), providing an excellent case study for broader challenge developing hypotheses association. Species pairs that were...
Journal Article Control of Chagas Disease. Second Report the WHO Expert Committee. Technical Series, No. 905. Geneva: World Health Organization, 2002. vi + 109pp. Price Sw.fr. 23/US$20.70 (in developing countries Sw.fr.16.10). ISBN 92-4-120905.4 Get access 92-4-120905.4. C. Ben Beard Vector Genetics Section Entomology Branch Division Parasitic Diseases Centers for Disease and Prevention 4770 Buford Hwy, Mail Stop F-22 Chamblee, GA 30341-3724, USA Search other works by this author on: Oxford...
Abstract After three dogs died from acute Chagas cardiomyopathy at one location, an investigation was conducted of the home, garage, and grounds owner. A serologic study on stray dogs, ecologic niche model developed to predict areas where vector Triatoma gerstaeckeri might be expected.
Abstract The 17 019 bp mitochondrial genome of Triatoma dimidiata is composed thirteen protein coding sequences, twenty‐two tRNAs, small and large ribosomal units, a control region. gene order orientation are identical to that Drosophila yakuba . nucleotide composition biased toward adenine thymine (69.5% A + T). 2.1 kb putative region, known as the T rich region in most insects, has an bias 66%, but contains 400 sequence 77.5% two other distinct regions: (1) one with lower (60.1%) (2) eight...
† Symptoms of Zika virus disease include acute onset fever, maculopapular rash, arthralgia, or conjunctivitis.§ Persons with ongoing possible exposure those who reside in frequently travel (e.g., daily weekly) to an area risk for transmission.¶ For the purposes this guidance, recent virus/flavivirus infection is defined as a during current pregnancy periconceptional period (i.e., 8 weeks before conception 6 last menstrual period).
CDC has updated its interim guidance for U.S. health care providers caring pregnant women with possible Zika virus exposure, to include the emerging data indicating that RNA can be detected prolonged periods in some women. To increase proportion of infection who receive a definitive diagnosis, recommends expanding real-time reverse transcription-polymerase chain reaction (rRT-PCR) testing. Possible exposures travel or residence an area active transmission, sex* partner traveled resides...
Ecologic niche modeling has allowed numerous advances in understanding the geographic ecology of species, including distributional predictions, change and invasion, assessment ecologic differences. We used this tool to characterize differentiation Triatoma brasiliensis populations, most important Chagas' disease vector northeastern Brazil. The species' was modeled based on data from Fundação Nacional de Saúde Brazil (1997-1999) with Genetic Algorithm for Rule-Set Prediction (GARP). This...
As part of a fatal human plague case investigation, we showed that the bacterium, Yersinia pestis, can survive for at least 24 days in contaminated soil under natural conditions. These results have implications defining foci, persistence, transmission, and bioremediation after or intentional exposure to Y. pestis.
Serological assays and a two-tiered test algorithm are recommended for laboratory confirmation of Lyme disease. In the United States, sensitivity testing using commercially available serology-based is dependent on stage infection ranges from 30% in early localized disease to near 100% late-stage Other variables, including subjectivity reading Western blots, compliance with recommendations, use different first- second-tier combinations, samples, all contribute variation performance. The...