Staphylococcus aureus (hospital isolates) : percentage of methicillin-resistant strains, 2007, Latin America and the Caribbean.
Some strains were cross-resistant. Conclusions They are first-line drugs to treat typhoid fever, especially typhoid fever caused by multiple drug-resistant strain.
This is because evolution quickly throws up resistant strains.
Other health threats, such as antibiotic-resistant strains of staphylococcus aureus, have emerged from pig farms as well.
Substandard treatment of normal TB drives the development of multi-drug resistant strains.
There was a major flu outbreak, and a Tamiflu-resistant strain of seasonal flu established itself and then spread to the Northern Hemisphere, including to the United States, last winter.
The detection of susceptible and resistant strain and their backcrossing heterozygosis with PCR in laboratory validate above presumption.
But natural selection is a powerful force, and if the spread of the disease means they have to be used widely, a resistant strain of the virus could easily evolve.
The rate of A. baumannii and P. aeruginosa pan-resistant strains were 7.8% and 13.2%;
These are important antibiotics that new drug resistant strains of bacteria have evolved to resist.
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