TABLE 2.
Specificity check using previously characterized samples positive for Haemophilus influenzae, negative for Neisseria meningitidis using ctrA-targeted PCR and cultured isolatesa
| Source | Characteristic |
|---|---|
| CSF | Haemophilus influenzae DNA detected by PCR |
| CSF | Haemophilus influenzae DNA detected by PCR |
| CSF | Haemophilus influenzae DNA detected by PCR |
| CSF | Haemophilus influenzae DNA detected by PCR |
| CSF | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| CSF | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| CSF | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| CSF | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| Blood | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| Blood | Neisseria meningitidis DNA not detected using ctrA-targeted PCR |
| Isolate | Neisseria lactamica ATCC 23970 |
| Isolate | Neisseria sicca ATCC 29193 |
| Isolate | Neisseria subflava ATCC 14799 |
| Isolate | Neisseria gonorrhoeae ATCC 43069 |
| Isolate | Moraxella catarrhalis |
| Isolate | Moraxella catarrhalis |
| Isolate | Moraxella osloensis |
| Isolate | Eikenella corrodens |
| Isolate | Eikenella corrodens |
| Isolate | Eikenella corrodens |
| Isolate | Eikenella corrodens |
| Isolate | Haemophilus influenzae |
| Isolate | Haemophilus parainfluenzae |
| Isolate | Kingella kingae ATCC 23330 |
| Isolate | Achromobacter xylosoxidans |
| Isolate | Escherichia coli |
| Isolate | Serratia marcescens |
| Isolate | Pseudomonas aeruginosa |
| Isolate | Gardnerella vaginalis |
| Isolate | Staphylococcus aureus |
| Isolate | Staphylococcus epidermidis |
| Isolate | Streptococcus agalactiae |
| Isolate | Streptococcus mitis |
| Isolate | Streptococcus pneumoniae ATCC 49619 |
| Isolate | Streptococcus pyogenes |
| Isolate | Streptococcus pneumoniae |
| Isolate | Enterococcus faecalis |
| Isolate | Clostridium perfringens |
| Isolate | Cutibacterium acnes |
| Isolate | Fusobacterium nucleatum |
| Isolate | Bacteroides fragilis |
| Isolate | Candida albicans |
| Isolate | Candida parapsilosis |
| Isolate | Cryptococcus neoformans |
a
All were negative for tauE, metA, sodC, and ctrA genes.