| Pathogen |
Grouping |
Diseases |
Treatment |
| Adenoviruses |
adenovirus |
Common cold, pharyngitis, pneumonia |
Symptomatic |
| Aspergillus fumigatus |
fungus |
Aspergillosis |
Amphotericin B, itraconazole, voriconazole |
| Bordetella pertussis |
gram-negetive parvobacteria |
Pertussis (whooping cough) |
Erythromycin |
| Borrelia vincenti |
spirochaete |
Pharyngitis |
Doxycycline, erythromycin, penicillin |
| Chlamydia pneumoniae |
gram-negetive intracellular parasite |
Pneumonia |
Tetracycline, erythromycin |
| Chlamydia psittaci |
gram-negetive intracellular parasite |
Pneumonia |
Tetracycline, erythromycin |
| CMV (cytomegalovirus) |
herpesvirus |
Pneumonia in immunodeficient |
Ganciclovir, foscarnet, cidofovir |
| Coronaviruses |
coronavirus |
Common cold, pneumonia, SARS |
Symptomatic |
| Corynebacteria diphtheria |
gram-positive non-sporing |
Diphtheria, pharyngitis |
Antitoxin + penicillin (or erythromycin) |
| Coxiella burnetti |
gram-negetive coccobacillus |
Pneumonia, pneumonitis |
Tetracycline (vaccine in development) |
| Coxsackie A |
enterovirus |
Common cold, pharyngitis |
Symptomatic |
| Epstein-Barr virus |
herpesvirus |
Glandular fever |
No effective treatment |
| Haemophilus influenzae |
gram-negative parvobacteria |
Pharyngitis, epiglottitis |
Cefotaxime, ceftriaxone (vaccine for type b) |
| Herpes simplex |
herpesvirus |
Oropharyngial disease |
Aciclovir, valaciclovir, famciclovir, foscarnet, cidofovir |
| Legionella pneumophila |
gram-negative parvobacteria |
Pneumonia, Pontiac fever |
Erythromycin with rifampicin |
| Measles |
paramyxovirus |
Measles (Cx: pneumonia, encephalitis) |
Symptomatic |
| Mumps |
paramyxovirus |
Parotitis (Cx: meningitis, encephalitis) |
Symptomatic |
| Mycobacterium tuberculosis |
gram-positive rod |
Tuberculosis |
Ethambutol, isoniazid, rifampicin, pyrazinamide |
| Mycoplasma pneumoniae |
gram-positive rod |
Pneumonia |
Erythromycin, tetracycline |
| Neisseria gonorrhoea |
gram-negative cocci |
Pharyngitis |
Penicillins |
| Parainfluenza |
paramyxovirus |
Croup, bronchiolitis (Cx: pneumonia) |
Symptomatic |
| Pseudomonas aeruginosa |
gram-negative rod |
Pneumonia (opportunistic) |
Aminoglycosides, carbapenems, cephalosporins |
| Rhinoviruses |
rhinovirus |
Common cold (Cx: severe in infants, otitis media) |
Symptomatic |
| RSV (respiratory syncytial virus) |
paramyxovirus |
Bronchiolitis (Cx: pneumonia) |
Symptomatic. Ribavarin for infants at risk |
| Staphylococcus aureus |
gram-positive clusters |
Pneumonia (including MRSA) |
Flucloxacillin (vanocomycin or teicoplanin in MRSA) |
| Streptococcus pneumoniae |
gram-positive chains/pairs |
Pneumonia |
Benzylpenicillin, erythromycin, cephalosporins |
| Streptococcus pyogenes |
gram-positive chains/pairs |
Pharyngitis, rheumatic fever, scarlet fever |
Penicillin (erythromycin if allergic) |