Sentence examples for before the immune system from inspiring English sources

Thus Ebola replicates unchecked before the immune system can adapt and mount a tailored response.

By contrast, she added, people who are tested and treated before the immune system has suffered extensive damage "can expect almost a normal life expectancy".

According to the minority view, Aids has made its appearance only now because it requires a great deal of promiscuity (a recent phenomenon, it is thought), and hence cumulative exposure, before the immune system can be overcome.

The researchers conclude that exposure to previous generations is needed before the immune system can learn to mount a fully protective response.

Surprisingly, the chimps cleared 90% of the virus 8 weeks before the immune system had even begun to kill infected cells.

However, later studies showed that cells or tissues transplanted before the immune system development of the recipient, such as in embryonic recipients, could be treated as foreign and trigger rejection, countering Burnet's explanation for self tolerance.

Besides, we demonstrated that other parasite antigens introduced into mice when challenged, and consequently never seen before by the immune system, also elicited a Th1 immune response.

H.I.V. has killed at least thirty million people, mostly by spreading quietly, burrowing into the cells it infects, and then, at times, lurking for years before destroying the immune system of its host.

Following infection, HIV replicates to high levels during the acute phase, after which the virus typically persists for many years at lower levels during the asymptomatic phase, before finally the immune system collapses and the patient develops AIDS.

Anticipating the Alzheimer's plaques and tangles before they form, the immune system is then activated to produce antibodies to fight beta-amyloid and tau proteins.

Such a step may be also applied multiple times to the pipeline, i.e. before and after the immune system filter.