8/2/2019 Microbiology - Laboratory Diagnosis of Staph and Strep

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PRACTICAL MICROBIOLOGY

LABORATORY DIAGNOSIS OF STAPHYLOCOCCAL AND STREPTOCOCCAL

INFECTIONS

Catalase test 

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Staphylococci aureus on MSA

Antibiotic sensitivity test

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Heat resistance test

Optochin test

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Phage typing

Staphylococci on nutrient aga

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Novobiocin sensitivity

Staphylococci on blood agar

(β -haemolysin)

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α -hemolytic streptococci on blood agar

microscopic picture of Staphylococci aureus