background: infectious bronchitis virus (ibv) is the causative agent of avian infectious bronchitis, which is characterized by respiratory, reproductive, and renal signs. ibv is a highly variable virus with a large number of genotypes. s1 gene sequencing has been used for molecular epidemiological studies and genotypic characterization of ibv. objective: to better understand the molecular epide...

streptococcus dysgalactiae subspecies equisimilis is one of the pyogenic group c and g streptococcus, which may be found in the normal gastrointestinal and genitourinary flora of a healthy human. many cases have been reported in literature; however, reports of septic arthritis due to this agent without predisposing factors are extremely rare. diagnosis of this agent is possible in advanced labo...

the main purpose of this paper has been to discuss the effects of psychological stress and other environmental factors on incidence of diseases. we were specifically concerned with stress that increased susceptibility of uninfected hosts when exposed to infection. if such stresses also reduced resources, fecundity and/or survivorship, there was a reduction in the host carrying capacity. in addi...

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Accumulated data based on experiences with curtico,teroids in the management uf infectious disea­ses, have proved that they are very dfective and ,afe drugs provided that are administered properly.  The Corticosteroids arc administered mainly be­c,1usc o; antitoxic, antiimflammatory a11d antiallcrgic effects, the cndotoxius are ncuturalized, generalized body reactions are diminished, damaged t...