Sentence examples similar to low level virulence from inspiring English sources

Our findings support the idea that minor genetic changes may result in the evolution of hypervirulent strains from lineages with low-level virulence.

Importantly, Ohashi et al. determined the 50% mouse lethal doses (MLD50) for representative strains of each subtype and found that strains from subtypes Kato, JG, Gilliam and Karp exhibit high-level virulence to mice, that from JP-2 intermediate-level virulence and those from JP-1, Kawasaki, Kuroki and Shimokoshi low-level virulence.

However, intradermal vaccination with the Schu S4 ΔiglC mutant does not provide appreciable protective immunity, and the Schu S4 ΔFTT0918 mutant retains a low level of virulence in mice following its administration by the intradermal route [12].

The weak DEN-2 outbreak was proposed to be a result of the circulation of a strain with an inherently low level of virulence [ 21].

The low level of virulence of the novel H1N1 pandemic has provided us with a splendid opportunity to exercise the machinery of modern science to investigate the characteristics of pandemic viruses without the usually attendant elevated levels of mortality and morbidity.

This is likely to reflect inadequate anaerobic processing methods and culture of clinical specimens (>7d incubation), combined with the traditionally held view that P. acnes in a biological sample simply reflects contamination from the resident skin microflora or is clinically irrelevant due to a low level of virulence [ 1].

The fitness of an obligate pathogen depends on the efficiency of direct host-to-host transmission, and consequently, too high or too low levels of virulence could be detrimental from the parasites perspective [ 2, 3].

I claim a low level of boredom".

Glasgow Queen St (Low Level) - Cumbernauld.

The high level and the low level sakacin P-resistant strains show substantial difference in gene expression profile, stability of the sakacin P resistance phenotype, resistance to phage P100 infection, virulence potential, and growth in the presence of activated charcoal.

R2 is now at a low level.