The aim of the study was to evaluate effectiveness PCR-RТ method using PCR-RТ-IS test system for etiological diagnosis whooping cough in examination patients with infectious respiratory pathology prolonged and contact persons. 113 children aged from 1 month 17 years, 11 months 29 days, 146 family members were examined. Regardless initial diagnosis, all examined by bacteriological, molecular gen...

The Beaudette strain of avian infectious bronchitis virus propagated in chicken embryo kidney cells is stabilized by exposure to 1 M MgSO(4) at 50 C for 80 min, at pH values ranging from 4 to 10.

Avian infectious bronchitis (IB) is a major cause of economic losses in poultry industry. The IB virus primarily affects respiratory tract, but various strains differ in their tropism for other target organs such as kidney and alimentary tract. The objective of this study was to estimate the pathogenicity of Iranian IBV variant (IR-1), which is limited exclusively to Iran. Specific pathogen fre...

The aim of this study was to determine an infectious bronchitis (IB) infection, caused by Israel variant 2 (IS/1494/06)-like IBV, in a layer chicken flock regularly vaccinated with vaccines containing IBV H120 and 4/91 strains. Mild respiratory symptoms, drop egg production soft-shelled eggs eventually death were observed flock. Clinical samples from four diseased chickens examined for the dete...