Zataria multiflora essential oil possesses immunomodulatory effects and the present study investigatesits effect on immune responses to live Newcastle disease (ND) vaccines and faecal shedding period ofvaccine strain virus in chickens. One hundred and eighty chickens from both sexes were divided into 6 equalgroups: group 1: unvaccinated, group 2: vaccinated (B1 vaccine followed by La Sota 10 da...

every year, millions of moslems depart to saudi arabia from more than one hundred countries around the world for paying to hajj precept. high percentages of these pilgrims suffer from an influenza-like illness (ili). this study was designed and conducted on 32370 iranian pilgrims (36% of total number of iranian pilgrims) to evaluate the incidence of the illness and determination of influenza va...

Background: It seems that the incidence of pertussis-like illnesses is considerably increasing despite the wide coverage of immunization with the whole cell pertussis vaccine. We aimed to investigate the occurrence of pertussis in vaccinated children by measuring anti-pertussis antibodies. Methods: In this cross-sectional study, blood samples were taken from vaccinated children aged 2, ...

OBJECTIVE To evaluate the effect of influenza vaccination on the reduction of the risk of outpatient visits for upper respiratory infection (URI) among the elderly in Taiwan. METHODS The data for this observational study, consisting of 1729 people aged 65 years or older, were drawn from Taiwan's 2001 National Health Interview Survey. This survey data was then linked with National Health Insur...

1 This study aimed to evaluate the use of Protein A-peroxidase (HRPO) in indirect ELISA 2 (iELISA) and IgG avidity assays for serological distinction between Brucella abortus S193 vaccinated and infected cows. Four groups were analyzed: (GI) 41 non-vaccinated seropositive 4 cows; (GII) 79 S19-vaccinated heifers analyzed at 3 months post-vaccination; (GIII) 105 S195 vaccinated cows analyzed afte...

To investigate the effectiveness of the influenza vaccine in a population of elderly outpatients, we compared the occurrence and frequency of influenza like illness (ILI), respiratory illness and hospitalization in vaccinated and non-vaccinated subjects. All the outcomes were clinically defined. The two groups were similar with respect to demographics, health situation and habits. The influenza...

Effects of neonatal vaccination on antigen-specific cellular and humoral immune responses of dairy calves have not been well described. The purpose of this study was to characterize the ontogeny of the adaptive immune response in calves sensitized to the attenuated strain of Mycobacterium bovis, bacillus Calmette-Guerín. Holstein bull calves were nonvaccinated (n = 6, vaccination controls) or v...