waterborne outbreaks of pathogenic bacteria from contaminated water are serious threats forpublic health. coliform bacteria have been regarded as one of the most important indicators for monitoringpathogenic bacteria. to address potential pathogenic bacterial outbreaks, the distribution and diversity ofcoliform bacteria in jiahe river, which flows through densely-populated urban area in china, ...

background: feline hemotropic mycoplasmas are parasites of erythrocytes and include three species, mycoplasma haemofelis, candidatus mycoplasma haemominutum and candidatus mycoplasma turicensis. diagnosis of the infection with these microorganisms can be carried out using conventional assays such as blood cytology. however, these assays have a low accuracy and a high rate of false-positive resu...

background and aims: rubella virus is a human pathogen that causes congenital rubella syndrome (crs) when infection occurs during early pregnancy. vaccination programs have been remarkably successful in controlling natural rubella infection and crs. moreover, ongoing surveillance for all cases of rubella and crs is a vital component of a prevention program. although the who recommends the use o...

avian pneumovirus (apv) causes turkey rhinotracheitis (trt) and swollen head syndrome (shs) of chickens, which is usually accompanied by secondary bacterial infections that increase mortality. in iran, some serological studies indicated that apv infection is endemic in commercial poultry industry. in this study we diagnosed apv genome molecularly in suspected broiler flock (4 weeks) in iran and...

Background and Aims: Avian Influenza (AI) H9N2 subtype was first reported to infect turkeys in the United States in 1966 and has been panzootic in Europe and Asia. The impact of avian influenza caused by H9N2 viruses in Iran is now significantly more severe than in previous years. Methods: Sequence analysis and phylogenetic study of the complete coding region Polymerase A (PA) gene of H9N2 subt...

This paper presents a phylogenetic study of the concept orb from its rise to abandonment. While heavy load literature is dedicated introduction and abandonment concept, there are few systematic studies on semantic components this in Islamic tradition astronomy. We will investigate conceptual articulation among Arab astronomers by distinguishing astronomical philosophical understandings concept....