Methicillin-resistant Staphylococcus aureus (MRSA) is an isolate of the
bacterium Staphylococcus aureus characterized by antibiotic resistance
to all penicillins, including methicillin and other narrow-spectrum
?-lactamase-resistant penicillin antibiotics
Vancomycin-resistant Staphylococcus aureus (VRSA) is a strain of
Staphylococcus aureus that has become resistant to the glycopeptide
antibiotic vancomycin. With the increase of staphylococcal resistance to
methicillin, vancomycin (or teicoplanin) is often a treatment of choice
in infections with methicillin-resistant Staphylococcus aureus
Multi-drug resistant tuberculosis (MDR-TB) is defined as TB that is
resistant at least to isoniazid (INH) and rifampicin (RMP). Isolates
that are multiply-resistant to any other combination of anti-TB drugs
but not to INH and RMP are not classed as MDR-TB
Extensively drug-resistant tuberculosis (XDR-TB) is defined as
tuberculosis that is resistant to rifampicin and isoniazid (resistance
to these first line anti-TB drugs defines Multi-drug-resistant tuberculosis,
Vancomycin-Resistant Enterococcus (VRE) is the name given to a group of
bacterial species of the genus Enterococcus that is resistant to the
antibiotic Vancomyci
Clostridium difficile or CDF/cdf' (commonly mistaken pronunciation
(help·info), alternatively and correctly pronounced /kl?s?tr?di?m
d??f?s?li/) (NB: Latin 'c' is always hard, as in 'k' in 'kaiser', and
terminal 'e' rhymes with 'hay') (also referred to as C. diff or C-diff)
is a species of bacteria of the genus Clostridium which are
Gram-positive, anaerobic, spore-forming rods (bacillus).[1] C. difficile
is the most significant cause of pseudomembranous colitis,[2] a severe
infection of the colon, often after normal gut flora is eradicated by
the use of antibiotics.
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