Isolates from CSF or respiratory tract specimens that are gram-negative coccobacilli, grow on chocolate agar in CO₂ but not blood agar, and are porphyrin-negative and nonhemolytic on rabbit or horse blood may be identified as
A) Haemophilus parainfluenzae.
B) H.influenzae.
C) H.aphrophilus.
D) H.influenzae
Correct Answer:
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