Disease in HUMANS Flashcards
• self-limiting
• asymptomatic
• but may cause fatal death (endocarditis CNS)
acute & chronic form
Brucellosis
• commonly affects CHILDREN
• Strep throat
• Scarlet fever
• Impetigo
Streptococcus pyogenes
Streptococcus not common in man
S. equi subsp. equi
Streptococcus common in newborn
S. agalactiae
STREPTO
Toxic shock-like syndrome
1) S. equi subsp. zooepidemicus
2) S. suis
STREPTO
sequelae of Strep throat
• may be self-limiting
Scarlet fever (Scarlatina)
STREPTO
• inhalation of droplets
• shares with sick person
• swollen vulva
• viral infection (symptomatic)
Strep throat
STREPTO
also caused by Staphylococcus aureus
• contact with fluid sores of skin
Impetigo
STREPTO
• death of fascia
• flesh-eating disease
• cutaneous route via cuts/wounds
also caused by
1. S aureus
2. Haemophilus
3. Vibrio
Necrotizing fascilitis
STREPTO
• cutaneous, superficial lesions
• Erysipelas — involve deeper tissue (lymph nodes draining)
• causative agent = S. pyogenes
Cellulitis (St. Anthony’s Fire)
causative agent = E. rhusiopathiae
• via pucture wounds
Erysipeloid
STREPTO
• fast disease progression
• cutaneous route
• common in geriatric px
Streptococcal toxic shock syndrome
Cholera is majorly caused by
biovar El Tor
low stomach acidity
Cholera
otitis media
Non-O1 (Non-O139 strains)