Sentence examples for found infectivity from inspiring English sources

Furthermore, the studies of both Aguzzi [5] and Gabizon [6] found infectivity in the urine during the presymptomatic incubation period before the appearance of clinical disease.

Since no other infectivity data is found, the infectivity factor r is assumed as 1 per pfu of virus in this work because of the high infectivity of the SARS-CoV.

In Syrian hamsters experimentally infected by intracranial injection of scrapie brain homogenate the authors found TSE infectivity in the urine of hamsters without signs of inflammation in the kidney and in the bladder [ 25].

We found TSE infectivity in the urine of hamsters that had no evidence of kidney or bladder inflammation.

However, a directed comparison of California pathogens on local (California) genotypes versus novel (European) genotypes of three introduced host species found greater infectivity and lower virulence on California genotypes, supporting the hypothesis of adaptive evolution in both host and pathogen over intermediate time scales.

Direct and indirect horizontal transmission is known to result from prion infectivity found in various tissues, fluids, and carcasses of infected animals (Miller and Williams 2003; Mathiason et al. 2006).

We found that the infectivity of HCV in the supernatants was significantly suppressed in these knockdown cells.

We found that the infectivity of the VN1203ΔNS1 virus was impaired already at 50°C, as indicated by a drop in the infectious titer more than 100 times.

Interestingly, it was found that the infectivity of H9N2 virus was reduced in a dose dependent manner at lower concentrations in which neither neuraminidase (NA) nor hemagglutination inhibition occurred [26].

TSE infectivity and pathologic changes are concentrated in the nervous system; however, much of the transmission risk results from parenteral exposure to the much lower concentrations of infectivity found in tissues outside the nervous system.

The universality of this paradigm, however, has recently been challenged by experimental studies in white-footed mice, which found that the infectivity of some strains to ticks declines within a few weeks (31, 36).