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Antibiotic resistant bacteria


A list of antiobiotic resistant bacteria is provided below. These bacteria have shown antibiotic resistance (or antimicrobial resistance).


NDM-1 is an enzyme that makes bacteria resistant to a broad range of beta-lactam antibiotics.

NDM-1 (New Delhi Metallo-beta-lactamase-1) originated in India. In Indian hospitals hospital-acquired infections are common and with the new super-bugs on rise in India, this can make them dangerous. Mapping of sewage and water supply samples that were NDM-1-positive indicates widespread infection in New Delhi already back in 2011.

NDM-1 was first detected in a Klebsiella pneumoniae isolate from a Swedish patient of Indian origin in 2008. It was later detected in bacteria in India, Pakistan, the United Kingdom, the United States, Canada and Japan.

Staphylococcus aureus (colloquially known as "Staph aureus" or a "Staph infection") is one of the major resistant pathogens. Found on the mucous membranes and the human skin of around a third of the population, it is extremely adaptable to antibiotic pressure. It was one of the earlier bacteria in which penicillin resistance was found—in 1947, just four years after the drug started being mass-produced. Methicillin was then the antibiotic of choice, but has since been replaced by oxacillin because of significant kidney toxicity. Methicillin-resistant Staphylococcus aureus (MRSA) was first detected in Britain in 1961, and is now "quite common" in hospitals. MRSA was responsible for 37% of fatal cases of sepsis in the UK in 1999, up from 4% in 1991. Half of all S. aureus infections in the US are resistant to penicillin, methicillin, tetracycline and erythromycin.


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