Sentence examples for virus changes from inspiring English sources

Unless the virus changes, health officials do not expect to recommend mixing in adjuvants.

What makes flu so hard to prevent is that the virus changes its molecular structure from year to year.

Because the virus changes so rapidly, after a while a drug designed to stop it can lose its effectiveness completely.

But if the virus changes significantly then your immunity will be correspondingly reduced.

Health experts say the worst-case scenario is the virus changes and spreads rapidly, as Sars did in 2002-2003 when it killed about 800 people around the world.

How many will ultimately die of the H1N1 flu depends heavily on whether there is a third wave in January, as happened in the 1918 and 1957 pandemics, and on whether the virus changes to be more lethal or drug-resistant.

But Dr. Farley said the city had constantly adapted its policies as information about the severity of the virus changed.

Ian Crozier, a WHO doctor who contracted the virus in the same hospital as Pooley just weeks after he diagnosed the British nurse, was close to death before the virus changed its course.

It probably wasn't that the virus changed in the 1920s, it was just that it found itself the perfect niche to proliferate, due to changes in social factors.

This meant that the tests for Ebola could be updated quickly as the virus changed, and that the scientists might also be able to see it mutating in some dangerous direction.

But examinations of the 9,000-odd 9,000-oddasses and 1,000 mammals and amphibirds that were delivered this year to the state wildlife pathology lab here in response to the outbreak of West Nile virus carcassesll thand