Sentence examples for virus challenges from inspiring English sources
Existing virus resistance alleles could be maintained or enhanced if virus challengers perennially recur (trajectories 1 or 2), or virus resistance alleles could be lost if virus challenges diminish (trajectory 3).
provided complete protection against highly virulent H1N1, H3N2, and H5N1 influenza virus challenges.
Both of the recombinant viruses completely protected chickens against otherwise-lethal NDV and HPAI H5N1 virus challenges.
The centralized H1 gene, HA1-con, induced stronger immune responses and better protection against mismatched virus challenges as compared to two wildtype H1 genes.
In the present study, we have generated improved recombinant NDV vaccines that provide greater protection in chickens against homologous and heterologous HPAI H5 virus challenges than those previously observed.
This study demonstrates that a single dose of rAd vaccines expressing two highly conserved influenza virus antigens (NP and M2) protects from virulent influenza virus challenges with multiple widely divergent subtypes.
None of these mice manifested any signs of illness for the one-month period before virus challenge.
In vaccinated pigs, there was no evidence of disease or PCV2 replication following dual virus challenge.
Vaccination induced H1N1 immune responses in mice, which afforded protection from lethal virus challenge.
In addition, its capability to protect guinea pigs against homologous virus challenge was examined.
Immunized mice were fully protected against lethal doses of virus challenge.
