Immunology Flashcards

1
Q

streptococcus pneumoniae

A

gram-positive cocci

(comes in pairs) diplococci

alpha hemolytic on blood agar

catalase negative

sensitive to optochin (large zone of inhibition around the disk)

AS SEEN IN: common cuase of bacterial meningitis in infants

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2
Q

Viridans streptococci

A

alpha hemolytic

optochin-resistant

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3
Q

Neisseria meningitis

A

gram-negative

diplococcus

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4
Q

Streptococcus agalctiae

A

beta-hemolytic

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