Flowcytometric analysis of T lymphocyte subset viz., CD and CD8 cells in spleen and thymus was done in Nandanam layer chicken of different age groups ranging from day-old to forty weeks. . In spleen, the mean CD4 and CD8 population was found to be the highest at day one and lowest at twenty weeks of age. However, an increase in both the T cell population was de...

Epidemiology is the scientific study of why and how frequently diseases occur in different human or animal populations. Surveillance is addressed to detect a pathogen that is not yet present or diagnosed in the population at risk. Disease surveillance is the continuous and systematic ongoing collection, collation, analysis and dissemination of disease-related data.

Cystic echinococcosis or hydatidosis causes severe economic loss and public health problem to both human beings and livestock in many temperate and tropical areas of the world. Immuno diagnosis has been found to be useful not only in primary diagnosis but also for follow up of patients after surgical or pharmacological treatment in man. Various immune diagnostic...

The antigenic profile of various hydatid antigens viz., Hydatid cyst fluid antigen (HCFA), Protoscolices antigen (PSA) and Germinal membrane antigen (GMA) were prepared and purified by gel filtration chromatography. Characterisation by SDS-PAGE revealed 9 protein bands at 8, 16, 24, 38, 58, 68, 98, 116 and 205 kDa for HCFA, 3 protein bands at 29, 72 and 98 kDa ...