Zoekresultaten - 121 results

Detection of tetracycline-resistant and susceptible pasteurellaceae in the nasopharynx of loose group-housed calves.

Pasteurellaceae Infections prevalence Tetracycline Resistance Abstract: The aim of the present study was to determine which Pasteurella and Mannheimia species are present in the upper respiratory tract of healthy ...

Correlation between detection of antibodies against hepatitis C virus in oral fluid and hepatitis C virus RNA in serum.

Viral Hepacivirus Hepatitis C Hepatitis C Antibodies Humans RNA, Viral Saliva Abstract: Reported here are the results of a study designed to determine the correlation between hepatitis C virus (HCV) RNA ...

Validation of the CALUX bioassay for PCDD/F analyses in human blood plasma and comparison with GC-HRMS.

analyses. The limit of quantification (LOQ) used to calculate TEQ values from the GC- HRMS determinations, the use of the relative potency values instead of the toxic equivalent factor and the potential of ...

Induction of in vivo functional Db-restricted cytolytic T cell activity against a putative phosphate transport receptor of Mycobacterium tuberculosis.

we determined the immunodominant Th1-type CD4 (+) T cell epitopes in C57BL /10 mice, as measured by spleen cell IL-2 and IFN-gamma production. Furthermore, a potent IFN-gamma-inducing, D(b)-restricted ...

[Antimicrobial susceptibility and frequency of occurrence of clinical blood isolates in Sfax-Tunisia (1993-1998)].

is often empirical and based on the knowledge of susceptibility profiles of the most common bacteria causing such infections. This study determines the bacterial etiology of bacteremic episodes and ...

Socio-economic differences in the utilisation of health services in Belgium.

by differences in demographic determinants and health needs. DESIGN: Data was obtained from the 1997 Belgian national Health Interview Survey. In this survey information was collected on the health ...

Prevalence of human erythrovirus B19 DNA in healthy Belgian blood donors and correlation with specific antibodies against structural and non-structural viral proteins.

plasma-pool screening and exclusion of highly viraemic donations are recommended. The objectives of this study were to estimate the prevalence of B19 DNA in our blood-donor population, to determine the ...

PCR detects HCV RNA in a plasma pool contaminated by a single preseroconversion donation of genotype 5a.

Specificity Serologic Tests Viral Load Abstract: BACKGROUND AND OBJECTIVES: To determine the prevalence of HCV- RNA-positive plasma pools in Belgium, to validate our PCR method and to increase the safety of the ...

Trends in gonorrhoea in nine western European countries, 1991-6. European Study Group.

indicate that in more recent years there was an increase in the number of gonorrhoea cases among men having sex with men in some countries. Further investigations are necessary to determine if this ...

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