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Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
Methicillin was the first antibiotic in this class to be used (it was introduced in 1959), but only two years later, the first case of methicillin-resistant Staphylococcus aureus (MRSA) was reported in England. [114]
Methicillin was developed by Beecham in 1959. [4] It was previously used to treat infections caused by susceptible gram-positive bacteria, in particular, penicillinase -producing organisms such as Staphylococcus aureus that would otherwise be resistant to most penicillins.
Over time, most of the strains of bacteria and infections present will be the type resistant to the antimicrobial agent being used to treat them, making this agent now ineffective to defeat most microbes. With the increased use of antimicrobial agents, there is a speeding up of this natural process. [29]
Because of the prevalence of S. aureus within the general population and significant number of severe infections caused by this bacteria, decolonization protocols have been implemented in many hospital networks to decrease MRSA infections. [4] By using disinfectants over an extended period of time, decolonization decreases or minimizes patient ...
As a noun, this word refers to a loose-fitting garment that's worn over a person's clothes. It also means to hide or conceal something from view. OK, that's it for hints—I don't want to totally ...
Glycopeptide antibiotics are a class of drugs of microbial origin that are composed of glycosylated cyclic or polycyclic nonribosomal peptides.Significant glycopeptide antibiotics include the anti-infective antibiotics vancomycin, teicoplanin, telavancin, ramoplanin, avoparcin and decaplanin, corbomycin, complestatin and the antitumor antibiotic bleomycin.
Mupirocin, sold under the brand name Bactroban among others, is a topical antibiotic useful against superficial skin infections such as impetigo or folliculitis. [5] [6] [7] It may also be used to get rid of methicillin-resistant S. aureus (MRSA) when present in the nose without symptoms. [6]