background and aims: canine distemper (cd) is a deadly infectious disease of canidae family. cd is a multi-systemic viral disease and is specified by wide range of clinical symptoms. the manifestations are not always indicative of cd, therefore a laboratory confirmation is necessary for suspected cases. materials and methods: different clinical specimens of 19 cd suspected unvaccinated dogs wer...

objective: in this study, a sybr green real-time rt-pcr assay for quantification of hiv-1 viral rna was developed. materials and methods: this assay was performed based on amplification of the pol region of hiv-1 and product analysis by an abi 7500 system. we quantified hiv-1 viral load in 26 seropositive patients by this system and the data were subsequently compared with results obtained wit...

to evaluate pathogenicity of 3 chicken anemia virus isolates-cv1, cv2 and cv3 respectively - the current experiment carried out. after tittering of the viruses, 30 one day old spf chicks were grouped and intramuscularly inoculated with each isolate in a separate group. two other groups as positive and control groups were inoculate with a live vaccine virus and normal saline respectively. during...

abstract beet soilborne virus (bsbv) is a member of the genus pomovirus, with rod shaped particles and three plus single - stranded of rna. bsbv is morphologically similar to beet necrotic yellow vein virus (bnyvv) and both are transmitted by the soilborne fungus, polymyxa betae keskin that survives in soil for many years. host range of bsbv is limited to the family of chenopodiaceae. in order ...

chlamydia pneumoniae is a common respiratory pathogen which is often found in our paediatric populations. many patients with community-acquired pneumonia caused by c. pneumoniae have symptoms suggestive of sinusitis.the role of c. pneumonia in rhinosinusiits children (meanage =4.3 ±2.5year). this case control study was done in the pediatric and ent clinics of hazrat rasul hospital in tehran (20...