DISEASES, INFECTIOUS AGENTS, MODE OF TRANSMISSION ...



1) COCCI FAMILY

|FAMILY/GENERA/GRAM STAINING |BACTERIAL CHARACTERISTICS |DISEASE CAUSED & SYMPTOMATOLOGY & CURE |

|Singles |( Non clinically interesting | |

|1) M.luteus | | |

|2) M. roseus | | |

|Diploids GRAM (+) | | |

|1. S. pneumoniae (pneumococcus) |occurs in nature as two bullet shaped cells with flat ends together |bacteria gets into lung & eats parenchymal tissue causing patient to spit|

| |responsible for 1917/18 influenza, killing 20 million |blood with productive cough |

| | |Pneumococcal infection deadly in 24-48 hours |

|Diploids GRAM (-) | | |

|Neisseria Gonorrhea (gonococcus) |bean shaped cells that are non motile & 0.5 microns in size |causes STD (the clap/drip) with suddenness of urination & ( freq. |

| |fastidious (need 37(C & hemolysed (chocolate blood agar)) |men have burning sensation & white discharge |

| |must be grown in candle jar (require little oxygen ; microaerophilic) |females may be asymptomatic & can develop salphyngitis, PID, sterility |

| |thayer martin media has antibiotics & iron to help growth |Cured with large dosage of penicillin |

| | |ophthalmic G. affects eyes & G. proctitis the anus |

| | |PPNG is type gonorrhea that is resistant to Penicillin |

| | |most common cause infectious meningitis of college students |

|Neisseria Meningetides (meningococcus) |same info as for N. gonorrhea |in kids haemophilis influenza & adults it is Strp. pneumoniae |

| | |trio of symptoms: headache, fever, stiff neck & projectile vomiting |

| | | |

|Neisseria sicca, flava, perflava & branhamella |found as normal flora of body & non pathogenic | |

|catarrhalis | | |

|Cluster GRAM (+) | | |

|Staphylococcus aureus |most common & dangerous pathogen because it is A TOXIN producer & widest |causes TSS & overwhelms kidney.liver especially in (. ( produces |

| |variety of symptoms |septicemia |

| |its toxin is heat stable |may cause osteomyelitis by infecting long bones in ( ................
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