Sentence examples for challenge viruses from inspiring English sources

The challenge viruses used were isolated from Vietnam and Egypt.

Therefore, we used these viruses as challenge viruses for assessment of vaccine efficacy.

Moreover, the vaccine was able to elicit protection against heterologous H5 challenge viruses.

Surprisingly, the rate of protection was nearly equal against all the challenge viruses irrespective of their antigenic properties.

To monitor shedding of the challenge viruses, oral and cloacal swabs were collected on day 3 post-infection.

To test this hypothesis, HSV-2 challenge viruses were constructed whose spread could be imaged in vivo.

Spreading of the challenge virus in the host is however not completely abolished.

In addition, challenge virus was not detected in 75% of guinea pigs subcutaneously immunized with UL24-βgluc.

However, chickens vaccinated with recombinant HVT expressing shRNA showed moderate reduction of challenge virus replication in blood and feather samples.

Under these conditions, protection against challenge virus re-excretion was correlated with interferon (IFN) γ-producing T-cell responses.

Neutralizing antibodies against challenge virus were not detected.