background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

Background: Streptococcus agalactiae is a normal commensal of the human gastro-intestinal and female genital tracts. It causes serious disease in neonates pregnant women, as well non-pregnant adults. Food-borne outbreaks have also been described. A link between invasive Group B streptococcus (GBS) infection humans caused by S. aga...

All viruses infecting ticks (with one possible exception) are arboviruses; their life cycle depends on infection and replication in both tick and vertebrate host cells. Little is known of arbovirus-tick cell interactions even though tick-borne viruses spend most of their existence in ticks. A distinct selection pressure on tick-borne viruses is the intracellular process of bloodmeal digestion i...

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Mosquito-borne pathogens remain a threat to public health in Australia. The activity of dengue and chikungunya viruses has increased across South-East Asia and the Pacific region in recent years, and the number of travellers returning to Australia infected with mosquito-borne pathogens has steadily grown.1 Annual notifications of endemic mosquito-borne disease resulting from infection with Ross...

background and aims: akabane disease causes epidemics of abortions, stillbirths and congenital malformations manifested as arthrogryposis and hydranencephaly or microanencephaly in sheep, goats and cattle. akabane virus replicates in arthropods and is transmitted by either mosquitoes or midges. outbreaks of the akabane virus have been reported from many countries in southeast asia, middle east,...

Health care workers are exposed to blood-borne pathogens, mainly the human immunodeficiency virus, hepatitis B virus and hepatitis C virus. Infection by these viruses leads to chronic or fatal illnesses which are expensive and difficult to treat. Individuals who harbour these viruses may be asymptomatic and hence all patients should be assumed to harbour a blood-borne pathogen. All health care ...

Members of the genus Vibrio are autochthonous bacterial flora in the aquatic ecosystem and quite a few of them are associated with infections in humans and aquatic animals. Human infection follows either direct contact with aquatic environment or indirectly via contaminated food and water. Food-borne Vibrio infections tend to occur more frequently in developed countries while transmission of Vi...

Biodiversity loss can alter disease transmission; however, the magnitude and direction of these effects vary widely across ecosystems, scales, and pathogens. Here we experimentally examine the effects of one of the most globally pervasive patterns of biodiversity decline, the selective loss of large wildlife, on infection probability, intensity and population size of a group of common rodent-bo...

The objective of our study was to explain the histopathological changes of monodon baculovirus (MBV) in hepatopancreas and midgut tissues of the cultured Penaeus vannamei. Five-hundred and forty juvenile of P. vannamei with average size of 7.99±0.54 g and 3600 post larvae 10-15 were distributed to 18 glass aquariums (50×50×60cm) with 100L well aerated water per each aquarium as water borne MBV ...