dermatologist collects skin swab sample from patient's arm using cotton swab and test tube. microbiological analysis.

analysis arm bacteria candidiasis check clinic clinical concept contact cotton dermatitis dermatologist dermatology dermatophytosis detection diagnose diagnosis discomfort disease doctor eczema examination gloves hand health healthcare herpes infection infections lab laboratory lesions medical microbiological patient preventive procedure psoriasis research sampling scabies simplex skin staphylococcal sterile streptococcal swab swabbing test testing viral virus warts