Bacteria Flashcards
What is the acronym for Methicillin Resistant Staphylococcus Pseudintermedius?
MRSP
What is the infectious agent for MRSP?
Methicillin Resistant Staphylococcus Pseudintermedius
What type of pathogenic organism is MRSP?
Bacteria - superbug
What are the 2 other terms used to define a ‘superbug’?
Nosocomial infection
or
HAI (Hospital Aquired Infection)
What are the 3 resevoirs for MRSP?
- Canines
- Felines
- Humans
What is the mode of transmission for MRSP?
Direct contact with contaminated:
* Respiratory systems
* Fomites
* Surfaces
What is the portal of entry for MRSP?
- Wound sites
- Contaminated urine
- IV Catheters
Who are the susceptible hosts for MRSP?
- Canines
- Felines
- Humans (less common)
Zoonotic!
What is the portal of exit for MRSP?
- Respiratory secretions
+ - aerosolised particles
What is the effect of MRSP on the host?
Infections of the:
* Skin
* Ear
* Wound + surgical sites infections
* Respiratory infections
What is the acronym for Methicillin Resistant Staphylococcus Aureus?
MRSA
What type of pathogenic organism is MRSA?
Bacteria - superbug/HAI
What is the infectious agent for MRSA?
Methicillin Resistant Staphylococcus Aureus
What is the resevoir for MRSA?
Human
What is the mode of transmission for MRSA?
Direct contact:
* Open sores + wounds
* Contaminated surfaces
What is the portal of entry for MRSA?
- Open wounds
- Surgical Incisions
- Sores
- Urinary tract
- IV catheters
Who are the susceptible hosts for MRSA?
- Humans
- Elderly
- Young
- Old
- Immunocomprimised
Zoonotic!
What is the portal of exit for MRSA?
Open sores + wounds
What is the effect of MRSA on the host?
- Skin infections
leading to > respiratory + urinary infections
What is the acronym for Bordetella Bronchiseptica?
Kennel Cough!
(KC)
What type of pathogenic organism is Bordetella Bronchiseptica?
Bacteria - gram-negative coccobacillus
What is the infectious agent for Kennel Cough?
Bordetella Bronchiseptica:
* B Pertussis
* B parapertussius
What are the 3 resevoirs for KC?
- Dogs
- Cats
- Rabbits
What is the mode of transmission for KC?
Direct contact:
* Dogs touching noses
Indirect contact:
* Droplets
* Areosolised particles from sneezing + coughing
What is the portal of entry for KC?
Inhaled
(Into the respiratory tract + into the body)
Who are the susceptible hosts for KC?
- Canines
- Felines
- Rabbits
What is the portal of exit for KC?
Via respiratory tract
+
respiratory secretions
What is the effect of KC on the host?
- Hacking cough
- Sneezing
- Forthy white phelgm
- Coughing sounds like something is stuck in the throat
- Difficulty breathing
What is the acronym for Leptospira Icterohaemorrhagiae
+
Leptospira Canicola?
Lepto
What type of pathogenic organisms are Leptospira Icterohaemorrhagiae
+
Leptospira Canicola?
Bacteria - spirochete
What are the infectious agents for Lepto?
Leptospira Icterohaemorrhagiae
+
Leptospira Canicola
What are the resevoirs for Lepto?
Main resevior - Rodents
* Dogs
+
* Cattle
* Pigs
* Horses
What is the mode of transmission for Lepto?
Both direct + in-direct contact
Direct contact,
with infectious + contaminated:
* Tissues
* Organs
* Urine
* Bodily fluids
In-direct contact, with contaminated:
* Water
* Soil
* Food
What is the portal of entry for Lepto?
Surfaces of:
* MM’s
* Conjunctival
* Oral
* Genital
+
* Cuts + abrasions
Who are the susceptible hosts for Lepto?
- Human
- Cattle
- Dogs
- Cats
Zoonotic!
What is the portal of exit for Lepto?
Urine
What is the effect of Lepto on the host?
- Jaundice
- Fever
- V+
- Abdominal pain
- Severe muscle pain
What is the acronym for Escherichia-coli?
E-coli
What type of pathogenic organism is Escherichia-coli?
Bacteria - gram-negative bacillus
What is the infectious agent for E-coli?
Escherichia-coli
‘Shiga toxin-producing E-Coli’ (STEC)
What is the resevoir for E-Coli?
Grass-feeding animals
(Cattle etc)
What is the mode of transmission for E-Coli?
In-direct contact:
* Consumption of contaminated foods + water
Example:
* Grass-fed animals, ingesting the bacteria, whilst grazing on contaminated grass
What is the portal of entry for E-Coli?
Ingestion
Consuming contaminated:
* Food
* Water
Who are the susceptible hosts for E-Coli?
- Humans
- Dogs
- Cats
- Birds
- Cattle
- Pigs
- Horses
Zoonotic!
What is the portal of exit for E-Coli?
Gastrointestinal tract - faeces
What is the effect of E-Coli on the host?
- V+
- Nausea
- Abdominal cramps
- Hematochezia (+ watery)
- Pyrexia
What is the acronym for Salmonella?
Salmonella or Salmonellosis
What type of pathogenic organism is Salmonella?
Bacteria - gram negative rods genus
What is the infectious agent for Salmonella?
Salmonella spp
or
Salmonella enterica serovar typhimurium
What are the 2 resevoirs for Salmonella?
Poultry
+
Livestock
What is the mode of transmission for Salmonella?
Direct
+
Indirect.
Direct:
Contact with contaminated:
* Animal or human
* Faeces
* Food
Indirect:
* Contact with environments where animals live and roam
* Consumption of food/drink prepared in contaminated environments
What is the portal of entry for Salmonella?
Direct:
* Ingestion
* Fecal
* Oral
* Eating contaminated food
* Drinking contaminated fluids
Indirect:
Contact with contaminated:
* Fomites
* Surfaces
* Acccidental ingestion
Who are the susceptible hosts for Salmonella?
- Humans
- Poultry
- Livestock
- Rodents
- Amphibians
- Small mammals
- Farm mammals
Zoonotic!
What is the portal of exit for Salmonella?
Gastrointestinal tract - faeces
What is the effect of Salmonella on the host?
- V+
- D+
- Pyrexia
- Anorexia
- Decreased activity level
What is the acronym for Campylobacter Jejuni?
Also known as.. the ‘human diarrheal pathogen’
- Campylobacter
- Campylobacteriosis
What type of pathogenic organism is Campylobacter Jejuni?
Bacteria - gut
What is the infectious agent for Campylobacter?
- C jejuni jejuni
- C coli
- C upsaliensis
- C helveticus
What are the resevoirs for Campylobacter?
- Dogs
- Cats
- Chickens + other poultry
- Farm animals
What is the mode of transmission for Campylobacter?
Direct + Indirect.
Indirect contact:
* Consumption of raw or undercooked poultry
or
* Consumption of something that has touched it
Direct contact:
With infected..
* Animals
* Humans
* Faeces
* Drinking untreated water
What is the portal of entry for Campylobacter?
Ingestion:
* Faecal
* Oral
Who are the susceptible hosts for Campylobacter?
- Humans
- Dogs
- Cats
- Poultry
- Farm animals
Zoonotic!
What is the portal of exit for Campylobacter?
Faeces
What is the effect of Campylobacter on the host?
- Recurrent watery/mucoid D+
- Tenesmus
- Abdominal cramps + pain
- Lethargy
- Pyrexia
What is the acronym for Clostridium tetani?
- C. tetani
or - Tetanus
- Lockjaw
People often call tetanus “lockjaw” because one of the most common signs of this infection is tightening of the jaw muscles
What type of pathogenic organism is Clostridium tetani?
Bacteria - spore-forming, gram-positive, slender, anaerobic rod
What is the infectious agent for C.tetani?
Clostridium tetani
What are the 3 resevoirs for C.tetani?
Contaminated environment:
* Soil
- Animals + humans carry bacilli in their intestines!
What is the mode of transmission for C.tetani?
In-direct contact.
In-direct:
Spores from..
* Soil
* Faeces
or contaminated..
* Wounds
* Abrasions
Not from human to human.
What are the 3 portals of entry for C.tetani?
- Puncture wounds
- Lacerations
- Burns
Who are the 4 susceptible hosts for C.tetani?
- Humans
- Horses
- Dogs
- Cats
Zoonotic!
What is the portal of exit for C.tetani?
Gastrointestinal tract - faeces
What is the effect of C.tetani on the host?
A history of:
* Wounds
(Typically within a period of 4 weeks)
* Lameness
* Stiffness
* Colic (Systemic)
Can progress quickly to…
* Abnormal gait
* Trembling
* Muscle spasms
* Inability to open the mouth (Lockjaw)
Bacteria that are spehericial in shape and arranged in groups are known as:
1. Bacilli
2. Spirochaetes
3. Staphylococci
4. Streptococci
Streptococci