Parameter | HA-MRSA | CA-MRSA |
---|---|---|
Genetic traits | Various staphylococcal cassette chromosome (most common— USA100, USA200) | Panton Valentine gene, staphylococcal Cassette chromosome IV (most common—USA300, USA400) |
Part of body affected | Blood stream; Surgical site; Site of implant | Skin; Lungs |
Resistance gene | SCC mec Types I, II, III | SCC mec Type IV, V |
Panton–Valentine Leukocidin producer | Rare (5%) | Frequent (almost 100%) |
Risk population | Immunocompromised individuals; residency in long term care facilities; recent hospitalizations; dialysis patients; recent surgery | Young, otherwise healthy patients (most common); no recent hospitalizations; anyone |
Antibiotic used in management | First-line antibiotics used include vancomycin. Additional newer antimicrobial agents: daptomycin, linezolid and tigecycline. | Doxycycline, clindamycin and cotrimoxazole often used. |