Ticks are capable of transmitting numerous pathogens to both humans and their pets. The risks of tick-borne disease risks vary geographically and are determined by the climate, environment, the presence of rodents and other mammal reservoirs, and the species of ticks parasitizing wild and domestic animals. Zoonoses such as Lyme borreliosis, tularemia, and tick-borne rickettsioses can emerge in ...

The organisms of the Order Rickettsiales, in the families Rickettsiaceae and Anaplasmataceae, were reclassified in 2001 following phylogenetic analyses of the 16S rRNA and groESL gene sequences (Dumler and colleagues, 2001). Some Ehrlichia spp. were transferred to the Neorickettsia genus (including E. risticii) and some Ehrlichia spp., including E. phagocytophila (also called E. equi and human ...

1 Section of Infectious Diseases, Yale University School of Medicine, New Haven, CT 06512, USA 2Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, MS 39406, USA 3Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China 4 Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soocho...

Several mosquito-borne viral infections have recently emerged in North America; West Nile virus is the most common in the United States. Although West Nile virus generally causes a self-limited, flulike febrile illness, a serious neuroinvasive form may occur. Dengue is the most common vector-borne viral disease worldwide, and it has been a significant public health threat in the United States s...

Vector-borne diseases have been the scourge of man and animals since the beginning of time. Historically, these are the diseases that caused the great plagues such as the 'Black Death' in Europe in the 14th Century and the epidemics of yellow fever that plagued the development of the New World. Others, such as Nagana, contributed to the lack of development in Africa for many years. At the turn ...

b a ckground: several important diseases are transmitted by mosquitoes. despite of the potential of the occurrence of some mosquito-borne diseases such as west nile, dirofilariasis and malaria in the region, there is no recent study of mosquitoes in west azerbaijan province. the aim of this investigation was to study the fauna, composition and dis- tribution of mosquitoes and the characteristic...

background: parasitic intestinal infections are still among socioeconomic prob­lems in the world, especially in developing countries like iran. food-handlers that directly deal with production and distribution of foods between societies are one of the most important sources to transmit parasitic infections to humans. the aim of this study was to determine the prevalence of intestinal parasitic ...

introduction: prevention and control of cross infections for the personnel of dental offices and clinics are a critical issue in dental practice. in this study, a standardized questionnaire was developed to assess the knowledge, attitude and practice of the oral health-care workers in tehran university dental school regarding the blood-transmitted diseases and its validity and reliability were ...