13 - Rare bacterial infections Flashcards
Human Brucellosis is caused by 3 Brucella species:
- Brucella Suis
- Brucella abortus
- Brucella melitensis
What are the characteristics of Brucellosis:
- Gram -
- nonmotile
- non-spore forming
- aerobic
- rods
T or F: Each species is pathogenic to humans and animals
T
Infected animals carry the organisms in the __________ of pregnant animals and in the ______________ of lactating females
uterus
mammary glands
*thus pathogens can also be secreted in milk
Consumption of _______ has been implicated in foodborne brucellosis
raw milk
Brucellosis cells survive for a long time in ________ and ___________
milk and milk products
___________________ is effective at killing Brucella cells
Pasteurization
Which type of people can become infected by Brucella?
People who work with meat
Tell me about the symptoms of Brucella:
- They appear in 3-21 days following consumption of contaminated food
- They include fever, profuse sweats, body aches, aching joints, chills and weakness
How can you get Brucellosis:
By being in contact with animals or consumption of raw or undercooked animal products
- milk
- slaughter
- veterinary care
- vaccination accidents or laboratory accident with cultures
T or F: brucellosis is extremely rare globally
T
____________ has been isolated from lactating cows with mastitis
Streptococcus pyogenes
Streptococcus pyogenes is ______ and has been associated with human _________ and with sore throats, fever, chills, and weakness in some cases nausea, vomiting and diarrhea can be present
gram +
pharyngitis
Food-borne Sp results from the consumption of ________
raw milk
What are some control measures to prevent Streptococcus pyogenes?
- pasteurization
- people suffering from Streptococcus infection should not handle RTE foods
