Respiratory symptoms, nosocomial infections; ubiquitous in environment.
BCT 2 Actinomyces
Liver abscess, fever, abdominal pain, actinomycosis; Actinomyces Israelii
commensal of human mouth.
BCT 3 Bacilli
Gram Positive and Negative
BCT 4 Bacillus
Meningitis; present in the throats of about 10% of the population.
BCT 5 Bacillus
Produces sticky yellow patches on bread.
BCT 6 Bordetella
BCT 7 Borrelia
Lyme disease (Lyme Borreliosis) vector is a tick which is dependent
on wild rodents and deer.
BCT 8 Brucella
Influenza- like symptoms, fever, arthritis, headaches, irritability,
insomnia and confusion, septicemia from cattle; unpasteurised dairy
BCT 9 Campylobacter
Food poisoning, diarrhoea; on increase. Types C. jejuni and c. fetus;
found in raw meat, untreated water and unpasteurised dairy products.
BCT 10 Clostridium
Botulism, muscle paralysis, vomiting, tiredness, food poisoning caused
by the neurotoxin of CB.
BCT 11 Clostridium
Muscle rigidity followed by spasmodic muscle contraction with pallor
and sweating; found in soil.
BCT 12 Clostridium
BCT 13 Cocci Gram
Pos and Neg
BCT 14 Corynebacterium
Diphtheria, tonsillitis/ pharyngitis, croup.
BCT 15 Escherichia
Meningitis in babies, diarrhoea, liver abscess, fever, abdominal pain,
urinary tract infection; commensal of human intestine; popularly known
as E. Coli; found in raw and undercooked meat, raw vegetables and
BCT 16 Gardnerella
Occasionally slightly smelly, non-itchy discharge; commensal of female
BCT 17 Haemophilus
Conjunctivitis, difficulty in breathing, sinusitis, otitis media,
pneumonia, meningitis in children; commensal in human upper respiratory
tract. 6 types; type b causes meningitis.
BCT 18 Helicobacter
Gastritis, dyspepsia, peptic ulcer, possibly gastric cancer.
BCT 19 Legionella
Respiratory symptoms, pus in lungs, lung abscess, Legionnaires
disease, hepatitis; nosocomial infection; a widespread naturally occurring
aquatic organism, transmitted by airborne droplets often from air-conditioning
BCT 20 Leptospiria
High fever, headache, myalgia, conjunctivitis, Weils disease
transmitted by rodents and infected water; 2 sub-species.
BCT 21 Listeria
Meningitis in babies; from unpasteurised dairy products and inadequately
cooked meat, ubiquitous in soil.
BCT 22 Mycobacterium
BCT 23 Mycobacterium
Leprosy endemic in Africa, India, SE Asia, Central and South America.
BCT 24 Mycobacterium
T.B., conjunctivitis, sinusitis, pneumonia, childhood pneumonia, tuberculosis,
chronic hepatitis, urinary tract infection.
BCT 25 Mycoplasma
Croup, otitis media, pus in lungs, childhood pneumonia, acute hepatitis;
commensal of human respiratory tract.
BCT 26 Neisseria
Gonorrhea, conjunctivitis, tonsillitis/ pharyngitis, pain on passing
urine, discharge, pain in abdomen.
BCT 27 Neisseria
Conjunctivitis, tonsillitis/ pharyngitis, pneumonia, meningitis, meningitis
in children in western countries group B is predominant organism followed
by C . Group A in parts of Africa, Middle East and India.
BCT 28 Pseudomonas
Urinary tract infection, respiratory symptoms, otitis media, lung
abscess, meningitis in babies, wound infection; commensal of human
BCT 29 Salmonella
Food poisoning, diarrhoea; on increase; found in raw meat, poultry,
eggs, raw unwashed vegetables, unpasteurised dairy products.
BCT 30 Salmonella
BCT 31 Salmonella
Typhoid fever, liver abscess, fever, abdominal pain, food poisoning.
BCT 32 Shigella
Diarrhoea, bacillary dysentery 4 sub-groups: S. dysenteriae (developing
countries), S. flexneri (developing countries), S. boydii, S. sonnei
(endemic in developed countries).
BCT 33 Staphylococcus
Respiratory symptoms, conjunctivitis, styes, difficulty in breathing,
otitis media, pus in lungs, pneumonia, childhood pneumonia, breathlessness,
chest pain, endocarditis, meningitis in elderly, brain abscess, cellulitis,
food poisoning, liver abscess, fever, abdominal pain, urinary tract
infection; common skin commensal; some strains are now becoming antibiotic
BCT 34 Staphylococcus
Breathlessness, chest pain, endocarditis, urinary tract infection.
BCT 35 Streptococcus
BCT 36 Streptococcus
Neonatal infection, septicaemia, meningitis, nosocomial infection;
commensal in intestine and female genital tract.
BCT 37 Streptococcus
BCT 38 Streptococcus
Conjunctivitis, difficulty in breathing, sinusitis, otitis media,
pus in lungs, pneumonia, childhood pneumonia, meningitis, meningitis
in elderly and children, brain abscess; commensal of human upper respiratory
BCT 39 Streptococcus
Sore throat, tonsillitis/ pharyngitis, difficulty in breathing, sinusitis,
otitis media, pus in lungs, lung abcess, pneumonia, rheumatic fever,
scarlet fever, impetigo, cellulitis, liver abscess, fever, abdominal
pain, toxic shock, septicaemia.
BCT 40 Streptococcus
Breathlessness, chest pain, endocarditis.
BCT 41 Vibrio
Cholera growing problem in S America, Middle East, Africa and Asia.
BCT 42 Yersinia
Affects the skin and lungs; spread from livestock; extremely rare
in developed countries; but a possible agent of biological warfare.
BCT44 MRSA/ Methicillin
Resistant Staphylococcus Aureus
A version of staph aureus that is resistant to antibiotics; can cause
death particularly in weakened people most cases occur in hospital
Food poisoning often associated with fried rice that has been cooked
and then held at warm temperatures for several hours.
Pneumonia; widely distributed in the environment and frequently occurs
in the intestines of humans and many domestic and feral animals.
Found in human digestive tract.
Urinary tract infections; pneumonia and urinary tract infections;
tends to affect people with underlying diseases, particularly in hospital.
Inhabits mammalian skin; opportunistic infection.
Urinary tract infections.
Fever, abdominal cramps, and diarrhoea; from contaminated eggs.
Found in saliva, sputum and faeces.
Causes severe ulcerating gingivitis (trench mouth); typically found
in those with poor oral hygiene but can also occur as a result of
stress, cigarette smoking and poor nutrition; also can be found in
those with serious illnesses.
Diarrhoea, colitis, peritonitis; often after normal gut flora is eradicated
by the use of antibiotics; infection often occurs in hospital and
in nursing homes; some adults have low numbers of the bacteria without
any symptoms; common in the intestine of babies and infants, but does
not cause disease because its toxins do not damage their immature
Found in the intestinal tract of some people with Crohns disease
(about 7.5% of those studied); found in less than 1% of healthy individuals
(Food Safety Authority of Ireland); in the USA, 40% of large dairy
herds are infected with Mycobacterium paratuberculosis; can survive
Catarrhalis/ Moraxella Catarrhalis / Micrococcus Catarrhalis / Branhamella
A common cause of otitis media and sinusitis and an occasional cause
of laryngitis; causes bronchitis or pneumonia in children and adults
with underlying chronic lung disease commensal in nasopharyx.
57 Actinomyces Viscosus
Part of the human oral flora, occurring around the teeth, gums and throat
in healthy humans. Causes dental caries particularly of the roots of
teeth. Can cause abscesses in the mouth, lungs, or the gastrointestinal
BCT 58 Aggregatibacter
Actinomycetemcomitans / Actinobacillus Actinomycetemcomitans
Part of the human oral flora; also found in severe infections in the
oral cavity, mainly the periodontium.
BCT 59 Bacteroides
Involved in 90% of anaerobic peritoneal infections of the abdominal
BCT 60 Burkholderia
Tends to affect people who have weakened immune systems or chronic
lung diseases, particularly cystic fibrosis; a known cause of infections
in hospitalised patients.
BCT 61 Clostridium
Causes gangrene. Generally associated with gastrointestinal or hematologic
malignancies. An association exists with colon carcinoma.
BCT 62 Eikenella
A commensal of the human mouth and upper respiratory tract. An opportunistic
human pathogen, leading to serious diseases such as periodontitis,
osteomyelitis, meningitis, empyema, and endocarditis.
BCT 63 Enterococcus
Faecalis / Streptococcus Faecalis
Can cause life-threatening infections in humans, especially in the
hospital environment. Frequently found in root canal-treated teeth.
Can cause endocarditis and bacteremia, urinary tract infections, meningitis,
and other infections. Among the main constituents of some probiotic
BCT 64 Enterococcus
Can be commensal in the human intestine, but it may also be pathogenic,
causing diseases such as neonatal meningitis.
BCT 65 Fusobacterium
Found in the mouth and upper respiratory tract. A key component of
dental plaque. Possible role in periodontal disease. Occasional cause
of abscesses and blood infections.
BCT 66 Gemella
Morbillorum / Streptococcus Morbillorum
Part of the normal mouth flora.
BCT 67 Group A
Streptococcus / GAS
Often found in the throat and on the skin. Illnesses include strep
throat and occasionally invasive GAS disease. People may be carriers
and experience no health problems themselves
BCT 68 Group B
In new-borns most commonly causes sepsis (infection of the blood),
pneumonia and sometimes meningitis. In adults causes bloodstream infections,
pneumonia, skin and soft-tissue infections, and bone and joint infections.
BCT 69 Mycobacterium
Causes infections of the skin and the soft tissues under the skin.
Also a cause of serious lung infections in those with various chronic
lung diseases, such as cystic fibrosis. Has been known to contaminate
medications and products, including medical devices.
BCT 70 Mycobacterium
Causes lung diseases.
BCT 71 Mycobacterium
Causes opportunistic infections in humans when the immune system (for
example) is compromised already.
BCT 72 Mycoplasma
Has been linked to Gulf War Syndrome and rheumatoid arthritis.
BCT 73 Mycoplasma
Can be transmitted between partners during unprotected sexual intercourse.
Role in genital diseases is still unclear. Believed to be involved
in pelvic inflammatory diseases.
BCT 74 Mycoplasma
Found in the vagina; unclear if it is part of the normal flora. Found
in the genito-urinary tract and is considered to be an opportunistic
pathogen. Has been associated with post-abortion and post-partum fever.
BCT 75 Mycoplasma
Found in the urogenital and respiratory tracts. Has been linked to
BCT 76 Mycoplasma
Found in the human mouth; not regarded usually as pathogenic.
BCT 77 Porphyromonas
Gingivalis / Bacteroides Gingivalis
Part of the normal flora of the mouth, intestine and urogenital tract.
Found in periodontal lesions and associated with adult gingivitis,
periodontal disease and mouth abscesses.
BCT 78 Prevotella
Intermedia / Bacteroides Intermedia / Bacteroides Melaninogenicu
Involved in periodontal infections, including gingivitis and periodontitis.
BCT 79 Propionibacterium
Lives on the skin and is linked to the skin condition acne. Largely
commensal and part of the skin flora present on most healthy adult
BCT 80 Proteus
Causes 90% of all Proteus infections in humans. Approximately 25%
of people have this bacteria in their faeces. Causes problems when
urinary tract is disturbed (e.g. after catheterisation).
BCT 81 Salmonella
Enterica / Salmonella Choleraesuis
Causes salmonellosis; family members working with cattle or in a veterinary
clinic can be source.
BCT 82 Salmonella
Typhimurium/ Salmonella Choleraesuis Serotype Typhimurium / Salmonella
Typhi-Murium/ Bacillus Typhimurium /Salmonella Typhi-Murium
BCT 83 Serratia
Marcescens / Bacterium Prodigosum
Found on the sub-gingival biofilm of teeth. Commonly found in the
respiratory and urinary tracts of hospitalised adults and in the gastrointestinal
system of children. May cause pneumonia and urinary tract infections.
Often found growing in bathrooms as a pink discoloration and slimy
BCT 84 Staphylococcus
Often implicated in urinary tract infections and cystitis.
BCT 85 Stomatococcus
Mucilaginosus /Micrococcus Mucilaginosus / Staphylococcus Salivarius
Part of the normal human oral flora and upper respiratory tract flora.
BCT 86 Streptococcus
The principal commensal bacterium of the oral cavity and a normal
inhabitant of the upper respiratory tract. The first bacterium that
colonises dental plaque, creating favourable conditions for other
BCT 87 Treponema
Causes diseases such as syphilis.
BCT 88 Ureaplasma
Can cause male urethritis, supperative arthritis, adverse pregnancy
outcomes, chorioamnionitis (inflammation of membranes in the fetus),
surgical wound infections, neonatal meningitis, pelvic inflammatory
diseases and pyelonephritis.
BCT 89 Ureaplasma
Part of the normal genital flora of both men and women. It is found
in about 70% of sexually active humans. Has been linked to (but not
confirmed) non-specific urethritis, infertility, chorioamnionitis,
stillbirth, premature birth, and, in the perinatal period, pneumonia,
bronchopulmonary dysplasia and meningitis.
BCT 90 Vancomycin-Resistant
Can live in the human intestines and female genital tract without
causing disease; sometimes can cause infections of the urinary tract,
the bloodstream, or of wounds associated with catheters or surgical
BCT 91 Vancomycin-Resistant
Staphylococcus / VRSA
A problem for people with other underlying health conditions (such
as diabetes and kidney disease), tubes going into their bodies (such
as catheters), previous infections with methicillin-resistant Staphylococcus
aureus (MRSA), and recent exposure to vancomycin, etc.
BCT 92 Vibrio
Found in brackish saltwater and causes gastrointestinal illness (
watery diarrhoea often with abdominal cramping, nausea, vomiting,
fever and chills). Most people become infected by eating raw or undercooked
shellfish, particularly oysters
BCT 93 Vibrio Vulnificus
Causes an infection (gastrointestinal illness, fever, or shock) often
after eating seafood, especially oysters or exposing an open wound
to sea water.
BCT 94 Acinetobacter
Opportunistic pathogen, affecting people with compromised immune systems,
but it is becoming increasingly important as a hospital-derived (nosocomial)
infection. Referred to as Iraqibacter due to its seemingly
sudden emergence in military treatment facilities during the Iraq
War; has continued to be an issue for veterans and soldiers who served
in Iraq and Afghanistan.
BCT 95 Acinetobacter
Baumannii, Multi-Drug Resistant (MDR-AB)
A multi-drug resistant strain (MDR-AB) A. baumannii is an opportunistic
pathogen, affecting people with compromised immune systems, and is
becoming increasingly important as a hospital-derived (nosocomial)
BCT 96 Actinomyces
Found in the vagina, colon, and mouth. Infection is established first
by a breach of the mucosal barrier during various procedures (dental,
gastrointestinal), aspiration, or pathologies such as diverticulitis;
causes actinomycosis (formation of painful abscesses in the mouth,
lungs, or gastrointestinal tract).
BCT 97 Actinomyces
Part of the oral flora; also found in dental plaque and in deep dental
caries. Causes actinomycosis - a granulomatous infection with the
formation of abscesses in the mouth, lungs, or the gastrointestinal
tract. Oral actinomycosis may occur due to trauma such as a tooth
extraction or bleeding gums.
BCT 98 Aeromonas
Mainly found in areas with a warm climate. Can cause gastroenteritis,
mostly in young children and people who have compromised immune systems
or growth problems; also associated with cellulitis. Can cause myonecrosis
and eczema in people with compromised or suppressed immune systems,
or in rare cases necrotising fasciitis.
BCT 99 Bacteroides
The most common bacterium found in the human colon / intestinal tract;
considered an opportunistic pathogen, frequently associated with peritonitis,
septicemia, and wound infections; capable of causing very serious
infections, such as intra-abdominal sepsis and bacteraemia.
BCT 100 Bifidobacterium
Found in the large intestines and important for healthy digestion;
used in some probiotic foods, e.g. yoghourt.
BCT 101 Bifidobacterium
Present in the gastrointestinal tract, mouth and vagina; responsible
for suppressing pathogenic microorganisms and are rarely pathogenic
themselves. Used as probiotics.
BCT 102 Bordetella
Associated with septicaemia, endocarditis, and respiratory illness,
especially in immunocompromised patients, such as asplenic or AIDS
patients; often seen in conjunction with whooping cough; can cause
BCT 103 Burkholderia
Pseudomallei / Pseudomonas Pseudomallei
Infects humans and animals and causes the disease melioidosis (pain
in chest, bones, or joints; cough; skin infections, lung nodules and
pneumonia), particularly in Thailand and northern Australia.
BCT 104 Campylobacter
Commonly found in animal faeces, so infection through contaminated
water and food; the most common causes of bacterial infections in
humans worldwide, causing gastroenteritis and food poisoning; has
been linked with subsequent development of GuillainBarré
syndrome, which usually develops two to three weeks after the initial
BCT 105 Campylobacter
Involved with periodontal disease and can cause abscesses in the mouth.
BCT 106 Capnocytophaga
Transmission may occur through bites, licks, or even close proximity
with animals. Can cause severe illness in persons with pre-existing
conditions. Symptoms include mild flu-like symptoms, fever, vomiting,
diarrhoea, malaise, abdominal pain, myalgia, confusion, dyspnoea,
headaches, and skin rashes such as exanthema. More severe cases of
endocarditis, disseminated intravascular coagulation and meningitis
have been reported.
BCT 107 Capnocytophaga
Found in the oral cavity; contributes to early plaque formation on
teeth by being a physical intermediate link between several Streptococcus
species and F. nucleatum; also found in some animal bite wounds.
BCT 108 Capnocytophaga
Found in the oral cavity; also found in some animal bite wounds.an
opportunistic pathogen in humans, especially in immunocompromised
BCT 109 Cardiobacterium Hominis
Normally present in the mouth and upper part of the respiratory tract
such as nose and throat; very rarely causes endocarditis, an infection
of the heart valves.
BCT 110 Citrobacter
As an opportunistic pathogen, responsible for a number of significant
infections; known to be the cause of nosocomial infections of the
respiratory tract, urinary tract and blood. C. Represents about 29%
of all opportunistic infections.
BCT 111 Clostridium
Usually considered non-pathogenic; unlike other species of Clostridium,
it does not produce toxins. Normal component of the human intestinal
BCT 112 Clostridium
Present in the human gastrointestinal tract in some people; in the
intestine, it uses tryptophan to synthesize indole and subsequently
3-indolepropionic acid (IPA), which serves as a potent antioxidant
within the human body and brain.
BCT 113 Clostridium
Tertium Traditionally been considered non-pathogenic, but increasingly
being reported as a human pathogen. Has been associated with bacteraemia,
meningitis, septic arthritis, enterocolitis, spontaneous bacterial
peritonitis, post-traumatic brain abscess, and pneumonia.
BCT 114 Cronobacter
Sakazakii / Enterobacter Sakazakii
In infants can cause bacteraemia, meningitis and necrotising enterocolitis;
can cause wound infections or urinary tract infections; people with
immunocompromising conditions and the elderly may also develop bloodstream
infection. Has been found in a variety of dry foods, including powdered
infant formula, skimmed milk powder, herbal teas, and starches; also
been found in wastewater. Cronobacter illnesses are rare, but they
are frequently lethal for infants and can be serious among people
with immunocompromising conditions and the elderly.
BCT 115 Eikenella
Corrodens / Bacteroides Corrodens
Found in the oral cavity (dental plaque) and the intestinal and genital
BCT 116 Enterobacter
Cloacae Part of the normal gut flora of many humans; not usually a
primary pathogen, but is sometimes associated with urinary tract and
respiratory tract infections.
BCT 117 Enterococcus
Faecium - Vancomycin Resistant (VRE)
Found in the human intestine, but can be pathogenic, causing diseases
such as neonatal meningitis or endocarditis. Vancomycin-resistant
enterococci is resistant to the antibiotic vancomycin; sometimes called
BCT 118 Escherichia
Coli - Carbapenem Resistant (CRE) E coli strain
Resistant to carbapenem antibiotics; found in hospitals, nursing homes,
and other healthcare settings.
BCT 119 Escherichia
Generally considered non-pathogenic but has been isolated from human
wounds, eye infections, periodontal lesions, and blood.
BCT 120 Eubacterium
Possibly involved in periodontal disease.
BCT 121 Francisella
Can cause Rat bite fever and Haverhill fever; classified as a potentially
bioterrorism agent by the US government. Humans can become infected
through tick and deer fly bites, skin contact with infected animals,
exposure to contaminated water, inhalation of contaminated aerosols
or agricultural dusts.
BCT 122 Haemophilus
Causes the sexually transmitted disease chancroid, a major cause of
genital ulceration in developing countries characterized by painful
sores on the genitalia.
BCT 123 Klebsiella
Granulomatis / Calymmatobacterium Granulomatis
Causes the sexually transmitted disease granuloma inguinale (or donovanosis).
BCT 124 Kocuria
Implicated in occasional urinary tract infections in immunocompromised
BCT 125 Lactobacillus
Occurs naturally in the intestine, mouth, and vagina; helps protect
the vagina from pathogenic infection. Also produces enzyme lactase
that breaks down milk sugar (lactose) into simple sugars. People who
are lactose intolerant do not produce this enzyme. The most commonly
BCT 126 Lactobacillus
Occurs naturally in the human gastrointestinal tract; helpful to people
suffering from lactose intolerance. Used as a probiotic supplement.
BCT 127 Lactobacillus
Part of the normal flora -mouth, vagina, and intestinal tract; has
significant antioxidant activities and also helps to maintain the
intestinal permeability; also able to suppress the growth of gas producing
bacterium in the intestines; may cause endocarditis, neonatal meningitis
and bacteraemia. Used as a probiotic.
BCT 128 Lactobacillus
Lives in the gastrointestinal tract; helps to suppress pathogenic
bacteria. Used as a probiotic supplement.
BCT 129 Methanobrevibacter
Smithii Note: this is no longer classified as a bacteria but as an
archaeon; the predominant archaeon in the human gut, playing an important
role in the efficient digestion of polysaccharides (complex sugars)
by consuming the end products of bacterial fermentation.
BCT 130 Moraxella
Part of the human flora, especially the upper respiratory tract and
occasionally of the skin and urogenital tract; has been implicated
in conjunctivitis, wound sepsis, vaginal discharges, meningitis, brain
abscess, septicaemia, endocarditis, arthritis osteomyelitis and urethritis.
BCT 131 Mycobacterium
Avium Complex /MAC
Commensal organisms in humans, living predominantly in the mouth,
skin, gastrointestinal, vagina and urinary tracts, and compose a portion
of the bacterial gut flora. Can become pathogenic and cause respiratory
BCT 132 Mycobacterium
Tuberculosis, Drug Resistant (MDR-TB And XDR-TB)
Drug- resistant strains of M tuberculosis, the bacteria that causes
TB: Multidrug Resistant TB bacteria (MDR-TB) and Extensively Drug
Resistant TB bacteria (XDR-TB).
BCT 133 Neisseria
Part of the normal human nasopharyngeal flora and infrequently causes
infections, including meningitis.
BCT 134 Neisseria
Found in the human upper respiratory tract; generally non-pathogenic,
but can in rare cases cause post-operative meningitis.
BCT 135 Peptosstreptococcus
Lives predominantly in the mouth, skin, gastrointestinal, vagina and
urinary tracts, and compose a portion of the bacterial gut flora.
Can cause brain, liver, breast, and lung abscesses, as well as generalized
necrotizing soft tissue infections.
BCT 136 Plesiomonas
Can cause diarrhoea/gastroenteritis.
BCT 137 Prevotella
Helps in the digestion of food as well as helping to keep harmful
bacteria at bay; a correlation with the development of rheumatoid
BCT 138 Prevotella
Part of the oral and vaginal flora, particularly in those who eat
a lot of carbohydrates and fibre; may cause pneumonia, lung abscesses,
and chronic otitis media and sinusitis.
BCT 139 Shigella
BCT 140 Shigella
BCT 141 Staphylococcus
Haemolyticus, Vancomycin Resistant / VRSH
Strain that resists the antibiotic vancomycin. S haemolyticus is part
of the skin flora; infection often associated with the insertion of
medical devices, e.g. catheters; has tendency to form biofilms.
BCT 142 Staphylococcus
Part of the skin flora; rarely causes disease, but may occasionally
cause infection in patients whose immune system is compromised.
BCT 143 Stenotrophomonas
Maltophilia, Multiple Drug Resistant
A multiple drug resistant strain (MDR). Infection often associated
with the insertion of medical devices, e.g. catheters; a relatively
unusual cause of pneumonia, urinary tract infection, or bloodstream
infection; an increasing problem for people with cystic fibrosis.
BCT 144 Streptobacillus
Causes rat bite fever and Haverhill fever.
BCT 145 Streptococcus
Pneumoniae, PRSP And DRSP Penicillin-resistant (PRSP) and drug-resistant
S pneumoniae found in the nasopharynx of healthy carriers, who do
not experience any symptoms; causes bronchitis, pneumonia, rhinitis,
acute sinusitis, otitis media, conjunctivitis, meningitis, bacteraemia,
sepsis, osteomyelitis, septic arthritis, endocarditis, peritonitis,
pericarditis, cellulitis, and brain abscesses.
BCT 146 Streptococcus
Sanguinis / Streptococcus Sanguis
A normal inhabitant of the healthy mouth where it is particularly
found in dental plaque, where it modifies the environment to make
it less hospitable for other strains of Streptococcus that cause cavities,
such as Streptococcus mutans. The most common cause of subacute bacterial
BCT 147 Treponema
Part of the microbial community within the mouth; associated with
periodontal disease. Has also been isolated from women with bacterial
BCT 148 Veillonella
Part of the microbuial community within mouth and intestine. Very
occasionally implicated in cases of osteomyelitis and endocarditis.
BCT 149 Yersinia
Causes the disease yersiniosis; cquired usually by insufficiently
cooked pork or contaminated water, meat, or milk; symptoms may include
watery or bloody diarrhea and fever, resembling appendicitis or salmonellosis