A total of 1208 positive BACTEC vials were examined for the presence or absence of serpentine cording. A very high (92.9%) rate of laboratory prevalence was obtained for Mycobacterium tuberculosis complex. The sensitivity, specificity, positive and negative predictive values of this test were 92.7%, 95.3%, 99.6% and 50.0%, respectively. It was concluded that testing cord formation in laboratories that have a high prevalence of Mycobacterium tuberculosis complex is an exceptionally reliable method for preliminary reporting of cording-positive cases; however, for cording-negative cases, preliminary reports based solely on cord formation are not reliable. It was also observed that the length of the incubation period has a significant effect on cord formation. Incubation periods of 4 days or less are not sufficient to determine noncording in smears prepared from positive BACTEC vials.
Seventy-nine non-Bartonella isolates were obtained from 69/513 dogs. The most commonly isolated phylum was Proteobacteria (48.1%) with alpha-Proteobacteria being the most commonly isolated class. Staphylococcus and Sphingomonas were the most commonly isolated genera. The majority of the remaining is...
The rapid cycling synchrotron (RCS) of the China Spallation Neutron Source
(CSNS) is a high intensity proton ring with beam power of 100 kW. In order to
control the residual activation to meet the requirements of hands-on
maintenance, a two-stage collimation system has been designed for the RCS. Th...
We present the analysis of photometric, spectroscopic and morphological
Properties for differently selected samples of early-type galaxies up to z=1
Extracted from the zCOSMOS-20k spectroscopic survey. This analysis intends to
Explore the dependence of galaxy properties on the selection criterion ad...
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