But it could turn out to be a mutation or cross strain of one or several coronaviruses seen in cows, birds and pigs.
This enormous strain is one reason why a 10-storey tower with three men in the base was only managed for the first time in 1998.
Recent strains have finally broken the historic link between growers and merchants, who are also under enormous strain with one of the oldest, Hardy, going into liquidation.
Whenever a new strain like this one comes along, the CDC reports 50 percent more cases than with an older strain.
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One strain of virus then infects all cells, producing a soup full of virus.
But one strain of mobile malware threatens a far greater social embarrassment: remotely-detonated digital flatulence.
One strain was a type that, in any circumstances, only breeds in mammals, not insects.
That meant she was infected with at least one strain of the virus that sometimes leads to cancer.
Now, that zombie software is becoming more infectious and sophisticated: One strain in particular, the so-called "Storm worm, " has enslaved between 15 and 50 million PCs, by security researchers' estimates.
The bird flu, so-called H5N1, has top epidemiologists across the world on edge because of its potential to mutate into a new strain that no one would be immune to and that could easily spread among humans.
The Nottinghamshire seamer suffered a hamstring strain in the final one-day international on Saturday.
Seamer Ryan Sidebottom will miss the tour having failed to recover from a side strain sustained during the one-day series.
"It seems that this year's flu vaccine is not nearly as effective as we would like among people over the age of 65 for one particular strain of flu, " Frieden said Thursday.
The American revealed afterwards that she had suffered a pelvic muscle strain and said it was one of the most painful injuries she had suffered.
And a company called Romark Laboratories has come out of nowhere with data on an unheralded anti-parasite drug that seems effective on one hep C strain.
The debate over the smallpox vaccine is further complicated by claims from the US that a vaccine against the Lister strain, such as the one ordered by the UK government, might not be the best option.
On Friday, dollar borrowing costs increased and crossed a new threshold, one warning sign of strain in the global financial system.
Ryan Sidebottom will miss the tour after failing to recover from a side strain picked up during the abandoned one-day series.
Also, says Bocchini, this is a new strain of flu, and no one in the population would be expected to be immune.
Imagine instead an iPad that you can fold in your pocket, recharge almost never and hold with one hand without wrist strain.
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But in 1982, scientists found one E. coli strain, O157:H7, in sheep that had changed in a way that caused it to spew out toxic chemicals.
"The story on trade and jobs, in my judgment, is a bit more complex, especially with respect to China, than this strain of conventional wisdom would lead one to believe, " he said.
The goal is to stem the rising tide of work-related musculoskeletal disorders, including those known as repetitive stress or repetitive strain injuries, that account for one third of all occupational injuries reported to the Bureau of Labor Statistics each year.
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On one flight studied, one passenger spread a particular strain to someone seated seven rows away, while people seated next to the ill passenger didn't contract the disease.
Like all new drugs, any vaccine for flu - even one for a particularly lethal strain of the virus - will take time to develop and to be made available to the public.
Nor do the cavalier shrugs of politicians and pundits take into account the inevitable emotional distress, the life disruption, and the financial strain that accompany any cancer diagnosis, even one with a cheerful prognosis.
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For 40 minutes he toiled as Smith, who was passed fit to play despite a back strain, attempted to ruthlessly expose England's one-day captain's confidence crisis.
Washington Mutual is one that's under enormous financial strain.
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