Teachers here realize such absences can be a strain on the students.
Within hours thousands of news services have been marking the geography of death and illness, pointing to an usually aggressive outbreak of what appears to be a rampant strain of E. coli.
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But, much as she adored clothes the room-long rack at her house in Virginia had fallen off the wall, she had so many all the ladylike public behaviour could be a bit of a strain.
Webby has been working to produce a candidate virus against H1N1 as well, but told CNN the virus is growing slower than expected, and that it would likely be a few weeks before a suitable strain is ready to be sent to the CDC.
Hondo was thought to be carrying a side strain, and he bowled only six overs though apparently without restraint.
At times, scouting can be a thankless profession that puts a terrible strain on family life since the demands of a ball club are so great to find the next big thing.
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If it turns out to be a non-resistant strain, you can then switch to the cheaper vancomycin.
Since then, owners have considered new stadiums to be too much of a strain on their scarcer resources.
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But it could turn out to be a mutation or cross strain of one or several coronaviruses seen in cows, birds and pigs.
The result, Dr Abe hopes, will be a viable salt-tolerant strain that is ready for market within four years.
Although it would place a great strain on the family, it could be a choice.
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He said it could lead to a situation where it would be illegal for a person to grow vegetables of a strain handed down through their family in their garden.
Declan McCrossan will also miss the Omagh game because of a hamstring strain while Cormac McAnallen may again be ruled out because of a knee injury.
So while it is not certain that the Dutch team had created a deadly human strain of bird flu, it seems to be a real possibility.
Unemployment for these people can be quite devastating, putting a great strain on their families.
He is currently suffering from a groin strain which Hilditch said was "not expected to be a serious issue".
The virus is very difficult to grow, so drugs are tested against a rare strain that can be grown in cancer cells.
The US government is stocking up with another type of vaccine developed to counter a strain thought likely to be the one used in a terrorist strike.
But one of the Science studies suggests that such "re-assortment" may not be necessary to give rise to a pandemic strain, and that it might emerge from mutations in H5N1 alone.
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The cells did not contain a strain of PERVs known to be able to infect human cells.
It remains to be seen if the Kiwi has breathed a fresh strain of resilience into his side in the interim.
Recently these scientists concocted a strain of corn that will be fit for animal feed even after its starches have been harvested for ethanol.
"The partnerships between it and other agencies which have been carefully built up are to be put under strain as they go into a new system of payment by results, " she said.
This discovery lends credence to the theory that whoever mailed the finely milled anthrax spores -- known to be of the Ames strain -- has a current connection to a sophisticated laboratory.
He said there would be no strain on member states' budgets as a result of the changes.
"We are cautiously optimistic that this particular strain will not be more severe than a normal seasonal flu outbreak, " Napolitano said.
One natural explanation would be a fault running through the area that makes a sharp turn, where "you would expect more strain to accumulate, " Ausbrook said.
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.
In an ironic self-perpetuating cycle, parents need to pay for child care so they can afford to work long hours, but the child care itself places a strain on their budget that must be corrected with increased income.
Dr Bilham says that the Indian government has even forbidden him to use a gravity meter in the region (such a meter measures whether a point is moving away from the centre of the earth, and therefore indicates a build up of strain that might be released as an earthquake).
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