Resistance to antibiotics can be drawback for bacteria

Neisseria meningitidis, the meningococcus, is a bacterium that can cause diseases with high fatality rates, and there has therefore been considerable concern that, like other bacteria, it might become resistant to antibiotics. But now a study shows that there has not been any increase in resistant meningococci in Sweden over the last 15 years. The reason for this may be that it is not especially advantageous for bacteria to develop resistance.

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