But against a particular strain of Influenza B, the vaccine is proving completely ineffective.
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It is genetically engineered to produce a particular strain of Bt, a substance that is poisonous to some insects.
This particular strain of Coxsackie B causes myocarditis, or inflammation of the heart.
If you've had influenza in the past, your body has already made antibodies to fight that particular strain of the virus.
He suggests that the problems may be the result of the particular strain of genetically altered mice used in those experiments.
"We are cautiously optimistic that this particular strain will not be more severe than a normal seasonal flu outbreak, " Napolitano said.
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.
ViroLogic (nasdaq: VLGC - news - people ) was also able to determine which anti-retroviral drug would be effective on the patient's particular strain of HIV.
Part of the reason is that the guys who run sequencing companies idolize the early days of the PC, with a particular strain of hero worship resolved for Steve Jobs.
"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.
Eggs have not been a major source of infection in humans for this particular strain of salmonella, enteritidis, in the last twoor three years, said Patrick McDonough at Cornell University's School of Veterinary Medicine.
As for why this winter's flu season seems especially bad, Dr. Marr believes it is because of the particular strain of the virus, H3N2, which causes "stronger" symptoms, as well as an early start to the season.
People may get more complications from this particular strain of H3N2, "which may make them ill for a longer period of time, " Dr. Michael Jhung, medical epidemiologist in the influenza division at CDC, told CNN's Mary Snow.
This particular flu strain has lead to more severe disease with more deaths and hospitalizations than in recent years.
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The Centers for Disease Control and Prevention confirmed to CNN that it would begin officially calling this particular influenza strain H1N1.
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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.
This particular mosquito work, I gather, was done with a malaria strain that affects mice, not humans.
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