Salazar and Others
نویسندگان
چکیده
Populations of the common bed bug, Cimex lectularius, have recently undergone explosive growth. Bed bugs share many important traits with triatomine insects, but it remains unclear whether these similarities include the ability to transmit Trypanosoma cruzi, the etiologic agent of Chagas disease. Here, we show efficient and bidirectional transmission of T. cruzi between hosts and bed bugs in a laboratory environment. Most bed bugs that fed on experimentally infected mice acquired the parasite. A majority of previously uninfected mice became infected after a period of cohabitation with exposed bed bugs. T. cruzi was also transmitted to mice after the feces of infected bed bugs were applied directly to broken host skin. Quantitative bed bug defecation measures were similar to those of important triatomine vectors. Our findings suggest that the common bed bug may be a competent vector of T. cruzi and could pose a risk for vector-borne transmission of Chagas disease.
منابع مشابه
Symmetry and unimodality of independence polynomials of path-like graphs
We prove the symmetry and unimodality of the independence polynomials of various graphs constructed by means of a recursive “path-like” construction. Our results provide a substantial generalization of the work of Zhu [Australas. J. Combin. 38 (2007), 27–33] and others.
متن کاملIdentificación automática de marcadores argumentativos en discursos políticos
This article describes the development of a method to identify argumentative markers, which we call “induction patterns”. Method from one or more patterns, find others. The patterns obtained are applied to a set of policy documents for to identify markers of arguments. The end result is used to identify arguments with a regular expression. The results show a precision of 92% and 25% coverage in...
متن کاملAlpha-1-Antitrypsin Deficiency Presenting as Neonatal Cholestasis: Predictors of Outcome and Effect of Ursodeoxycholic Acid
1Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua Jorge Viterbo Ferreira, no 228, 4050-313 Porto, Portugal 2Paediatric Gastroenterology Service, Department of Child and Adolescent, Centro Hospitalar do Porto, Largo Abel Salazar, 4099-001 Porto, Portugal 3Paediatric Service, Unidade Hospitalar de Famalicao, Centro Hospitalar do Médio Ave, Rua de Cupertino de Miranda, 476...
متن کامل