background:chronic active adrenocorticotropin hormone (acth) immunization of ewes (with a previous history of immunization) resulted in elevated titres of antibody against acth, which induced a reduction in circulating levels of cortisol. objectives:the aim of the present study was to investigate: a) the influence of active immunization against acth on milk production of the ewe as assessed by ...

a field study was conducted in semnan to measure the vaccination coverage rate in children from birth to 24   months and correlate the outcome with personal family and social characteristics of the subjects in 1372 (1994).   a total of 210 children below the age of 24 months, living in semnan were selected randomly from thirty district   points of the town .   to gather the data a two section q...

The COVID-19 pandemic situation has led to the temporary closure and/or delay of immunization services for community health centers in some areas. Parental anxiety about risk transmission is one factors reducing achievements, especially basic immunization. Parents' at this time an obstacle that makes parents send their children purpose study was determine relationship between parental and compl...

OBJECTIVE The measurement of performance in the delivery of recommended vaccinations for children is used frequently as a marker for quality of care and as an outcome for studies of interventions to improve immunization coverage levels. The critical element of immunization performance measurement is the determination of immunization status. This methodologic review 1) discusses immunization sta...