Burma's highly mobile migrant population may already be spreading the drug-resistant strain around the world.
If it turns out to be a non-resistant strain, you can then switch to the cheaper vancomycin.
Mr Reddy stressed that there were no signs of a tamiflu-resistant strain of H1N1 circulating in the community.
Health officials are worried because the drug-resistant strain is so hard to diagnose.
This is in contrast to seasonal H1N1 flu where a Tamiflu resistant strain emerged last year and is now widely circulating.
The woman had succumbed to a resistant strain of Staphylococcus aureus, a nasty microbe that causes many respiratory and wound infections.
Still, it wasn't clear yet that Ms. Skipper carried the drug-resistant strain.
The other is a Vancomycin-resistant strain, which is considered even more dangerous.
If that trend continues, we are likely to see even higher levels of the vaccine-resistant strain appear by the peak of the season, still weeks away.
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By testing out various combinations of amino acids, Dr Ghadiri found several octets that were particularly effective against the antibiotic-resistant strain of Staphylococcus aureus, a common pathogen.
When doctors carried out throat swabs from 82 other children at the centre, they found that ten were carrying the same multi-drug resistant strain of bacteria found in the two ill children.
Although the Tamiflu-resistant strain is still relatively rare, affecting about 2% of people with swine flu in the Australian population that they studied, Dr Hurt is concerned that it has the potential to turn global.
There is a drug resistant bacterial strain, called 19A, that became more prevalent as it filled the niche left by the bacteria vanquished by Prevnar.
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Australian scientists are attempted to use genetic modification to develop a strain resistant to Race 4, while those in Honduras are working on breeding a better banana through more conventional means, by cross-pollination.
The genetic analysis also showed the strain was resistant to the first choice antibiotic, chloramphenicol, which means more expensive drugs would be needed to treat the infection.
Now, according to a study published in the Annals of Internal Medicine, a new variant of the strain is resistant to even more antibiotics and it's spreading among gay and bisexual populations in San Francisco, Boston, New York and Los Angeles.
And we're really pleased, right now, that this strain is not resistant.
The Iraq strain has proved particularly resistant to current drugs, forcing docs to turn to a medicine called colistin, which is so toxic to the kidneys that it is used only rarely.
The new strain of swine flu has been resistant to the antiviral drugs amantadine and rimantadine, but has responded to the other licensed options: oseltamivir and zanamivir.
One-third of the bacteria in the strain that most commonly causes pneumonia are already resistant to all of the macrolides.
Its primary Asian rivals, with the exception of Singapore, are almost genetically resistant to permanent migration from those outside the dominant ethnic strain.
But it's a potential public health catastrophe with the new strain called XDR-TB, for extensively drug resistant tuberculosis.
One of the most severe cases of drug-resistant tuberculosis in the United States has been reported in southern Texas: a strain of TB resilient to at least eight of the 15 drugs used to treat this deadly airborne disease.
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