| back 1 -
Causative Organism: SARS-CoV-2.
-
Mode of Transmission: Droplet and airborne.
-
Virulence Factors: Attachment to ACE-2 host cell
protein; induction of autoimmunity.
-
Culture/Diagnosis: RT-PCR, antibody (Ab), and
antigen (Ag) tests.
-
Prevention: Vaccination and mitigation efforts
(masks, social distancing).
-
Treatment: Antivirals such as Paxlovid™.
-
Signs and Symptoms: Respiratory symptoms,
"cytokine storm" leading to hyperinflammation, skin
rashes, muscle/joint pain, heart damage, and loss of taste and
smell
|
| back 2 -
Causative Organism: Staphylococcus aureus,
Streptococcus pyogenes, S. pneumoniae,
Enterococcus, Pseudomonas aeruginosa, and
others.
-
Mode of Transmission: Parenteral (e.g., via
injections).
-
Virulence Factors: Not explicitly listed in the
source table.
-
Culture/Diagnosis: Blood culture.
-
Prevention: Aseptic surgery and sterile
injections.
-
Treatment: Vancomycin or surgery.
-
Signs and Symptoms: Fever, anemia, abnormal
heartbeat, symptoms of heart attack, shortness of breath, chills,
Janeway lesions, and Osler’s nodes
|
| back 3 -
Causative Organism: Alpha-hemolytic streptococci
and others.
-
Mode of Transmission: Endogenous transfer of normal
biota to the bloodstream.
-
Virulence Factors: Not explicitly listed.
-
Culture/Diagnosis: Blood culture.
-
Prevention: Prophylactic antibiotics before
invasive procedures.
-
Treatment: Broad-spectrum antibiotics or
surgery.
-
Signs and Symptoms: Similar to acute endocarditis
but with a slower onset; includes enlarged spleen and clubbed
fingers/toes
|
| back 4 -
Causative Organism: Various bacteria or fungi.
-
Mode of Transmission: Parenteral or endogenous
transfer.
-
Virulence Factors: Cell wall or membrane components
(e.g., endotoxin).
-
Culture/Diagnosis: Blood culture and deep
sequencing.
-
Prevention: No specific prevention listed.
-
Treatment: Broad-spectrum antibiotics until
susceptibility is tested.
-
Signs and Symptoms: Fever, altered mental state,
shaking chills, gastrointestinal symptoms, increased breathing rate,
and low blood pressure leading to septic shock
|
front 5 Plague (Bubonic, Pneumonic, and Septicemic) | back 5 -
Causative Organism: Yersinia pestis.
-
Mode of Transmission: Biological vector (flea),
droplet contact (pneumonic), and direct contact with body
fluids.
-
Virulence Factors: Capsule and plasminogen
activator.
-
Culture/Diagnosis: Rapid genomic methods.
-
Prevention: Flea and animal control; vaccines for
high-risk individuals.
-
Treatment: Streptomycin or ciprofloxacin.
-
Signs and Symptoms: Inflammation and necrosis of
lymph nodes (buboes), respiratory distress (pneumonic), and
purpura/necrosis (septicemic).
|
| back 6 -
Causative Organism: Francisella
tularensis.
-
Mode of Transmission: Biological vector (tick),
direct contact with infected animal fluids, or airborne.
-
Virulence Factors: Intracellular growth.
-
Culture/Diagnosis: Serology (culture is dangerous
to lab workers).
-
Prevention: No specific prevention listed.
-
Treatment: Gentamicin or streptomycin.
-
Signs and Symptoms: Headache, backache, fever,
chills, malaise, ulcerative skin lesions, and swollen lymph
glands
|
| back 7 -
Causative Organism: Borrelia burgdorferi
and related species.
-
Mode of Transmission: Biological vector
(tick).
-
Virulence Factors: Antigenic shifting and
adhesins.
-
Culture/Diagnosis: Acute and convalescent sera
testing.
-
Prevention: Tick avoidance.
-
Treatment: Doxycycline and/or amoxicillin.
-
Signs and Symptoms: Characteristic bull’s eye rash,
fever, headache, stiff neck, and dizziness; progresses to cardiac,
neurological, and polyarthritis symptoms
|
| back 8 -
Causative Organism: Epstein–Barr virus (EBV).
-
Mode of Transmission: Direct or indirect contact;
parenteral.
-
Virulence Factors: Latency and the ability to
incorporate into host DNA.
-
Culture/Diagnosis: Differential blood count,
Monospot test for heterophile antibody, and ELISA.
-
Prevention: No specific prevention listed.
-
Treatment: Supportive care.
-
Signs and Symptoms: (Common symptoms mentioned in
context: fatigue, sore throat, and night sweats
|
| back 9 -
Causative Organism: Bacillus
anthracis.
-
Mode of Transmission: Vehicle (air, soil, food) or
indirect contact (animal hides).
-
Virulence Factors: Triple exotoxin (edema factor,
protective antigen, and lethal factor).
-
Culture/Diagnosis: Culture and direct fluorescent
antibody tests.
-
Prevention: Vaccination for high-risk populations
and post-exposure antibiotics.
-
Treatment: Consultation with the CDC.
-
Signs and Symptoms: Varies by site (cutaneous
lesions, pulmonary involvement, or GI symptoms)
|
front 10 Yellow Fever (Hemorrhagic) | back 10 -
Causative Organism: Yellow fever virus.
-
Mode of Transmission: Biological vector (the
Aedes mosquito).
-
Virulence Factors: Disruption of clotting
factors.
-
Culture/Diagnosis: ELISA or PCR.
-
Prevention: Live attenuated vaccine.
-
Treatment: Supportive care.
-
Signs and Symptoms: Fever, internal hemorrhaging,
and jaundice
|
front 11 Dengue Fever (Hemorrhagic) | back 11 -
Causative Organism: Dengue fever virus.
-
Mode of Transmission: Biological vector
(Aedes mosquito).
-
Virulence Factors: Disruption of clotting
factors.
-
Culture/Diagnosis: A rise in IgM titers.
-
Prevention: A vaccine is approved for children
(ages 9–16) with previous infections living in endemic areas.
-
Treatment: Supportive care.
-
Signs and Symptoms: Fever and severe pain, leading
to the name “breakbone fever”
|
front 12 Chikungunya (Hemorrhagic) | back 12 -
Causative Organism: Chikungunya virus.
-
Mode of Transmission: Biological vector
(Aedes mosquito).
-
Virulence Factors: Disruption of clotting
factors.
-
Culture/Diagnosis: PCR.
-
Prevention: Not available.
-
Treatment: Supportive care.
-
Signs and Symptoms: Fever, internal hemorrhaging,
and arthritic symptoms
|
front 13 Ebola and/ or Marburg (Hemorrhagic) | back 13 - Causative Organism: Ebola virus or Marburg virus.
- Mode
of Transmission: Direct contact with body fluids.
- Virulence
Factors: Disruption of clotting factors.
- Culture/Diagnosis:
PCR or viral culture (conducted at the CDC).
- Prevention: A
new Ebola vaccine is used for epidemic situations.
- Treatment: New drugs have been developed for ongoing
outbreaks.
- Signs and Symptoms: Massive hemorrhage; patients
may bleed from orifices and mucous membranes
|
front 14 Lassa Fever (Hemorrhagic) | back 14 -
Causative Organism: Lassa fever virus.
-
Mode of Transmission: Droplet contact (aerosolized
rodent excretions) or direct contact with infected fluids.
-
Virulence Factors: Disruption of clotting
factors.
-
Culture/Diagnosis: ELISA.
-
Prevention: Avoiding rats and maintaining safe food
storage.
-
Treatment: Ribavirin.
-
Signs and Symptoms: Chest pain and long-term
deafness
|
front 15 Brucellosis (Non-hemorrhagic) | back 15 -
Causative Organism: Brucella melitensis,
B. abortus, or B. suis.
-
Mode of Transmission: Direct contact, airborne, or
parenteral (needlesticks).
-
Virulence Factors: Intracellular
growth and the ability to avoid destruction by
phagocytes.
-
Culture/Diagnosis: Gram stain of biopsy material or
PCR.
-
Prevention: Animal control and pasteurization of
milk.
-
Treatment: Doxycycline plus
gentamicin or streptomycin.
-
Signs and Symptoms: An undulating
fever pattern and muscle aches
|
front 16 Q Fever (Non-hemorrhagic) | back 16 -
Causative Organism: Coxiella
burnetii.
-
Mode of Transmission: Airborne, direct contact, or
food-borne.
-
Virulence Factors: Endospore-like
structure.
-
Culture/Diagnosis: PCR or serological tests for
antibodies.
-
Prevention: Vaccine available for high-risk
populations.
-
Treatment: Tetracycline or TMP/SMZ.
-
Signs and Symptoms: Fever and variable disease
presentation
|
front 17 Cat-scratch Disease (Non-hemorrhagic) | back 17 -
Causative Organism: Bartonella
henselae.
-
Mode of Transmission: Parenteral (cat scratch or
bite).
-
Virulence Factors: Endotoxin.
-
Culture/Diagnosis: ELISA or biopsy of lymph nodes
plus Gram staining.
-
Prevention: Thoroughly cleaning wound sites.
-
Treatment: Azithromycin or rifampin.
-
Signs and Symptoms: Small papules at the
inoculation site and swollen, pus-filled lymph
nodes
|
front 18 Trench Fever (Non-hemorrhagic) | back 18 -
Causative Organism: Bartonella
quintana.
-
Mode of Transmission: Biological vector
(lice).
-
Virulence Factors: Endotoxin.
-
Culture/Diagnosis: ELISA.
-
Prevention: Avoiding lice.
-
Treatment: Azithromycin plus or minus
doxycycline.
-
Signs and Symptoms: 5-day fever,
leg pains, and a macular rash; endocarditis is common
|
front 19 Ehrlichiosis and Anaplasmosis (Non-hemorrhagic) | back 19 -
Causative Organism: Ehrlichia or
Anaplasma species.
-
Mode of Transmission: Biological vector
(tick).
-
Virulence Factors: Not applicable.
-
Culture/Diagnosis: PCR or indirect antibody
test.
-
Prevention: Avoiding ticks.
-
Treatment: Doxycycline.
-
Signs and Symptoms: Acute febrile state, headache,
and muscle pain
|
front 20 Babesiosis (Non-hemorrhagic) | back 20 -
Causative Organism: Babesia species.
-
Mode of Transmission: Biological vector
(tick).
-
Virulence Factors: Not applicable.
-
Culture/Diagnosis: Blood smear.
-
Prevention: Avoiding ticks.
-
Treatment: Combination therapy
with antibacterial and antiprotozoal drugs.
-
Signs and Symptoms: Fever, headache, and muscle
pain
|
front 21 Spotted Fever Rickettsiosis (Non-hemorrhagic) | back 21 -
Causative Organism: Rickettsia species
(specifically R. rickettsii for Rocky Mountain Spotted
Fever).
-
Mode of Transmission: Biological vector
(tick).
-
Virulence Factors: Induces
apoptosis in cells lining blood vessels.
-
Culture/Diagnosis: PCR or fluorescent antibody
tests.
-
Prevention: Avoiding ticks.
-
Treatment: Doxycycline.
-
Signs and Symptoms: Fever, chills, and a
distinctive spotted rash that appears 2 to 4 days
after the prodrome
|
| back 22 -
Causative Organism: Trypanosoma
cruzi.
-
Mode of Transmission: Biological vector (triatomine
bug) or vertical transmission.
-
Virulence Factors: Antioxidant enzymes and
induction of autoimmunity.
-
Culture/Diagnosis: Blood smear (acute phase) or
serological methods.
-
Prevention: Insect control.
-
Treatment: Consultation with the CDC.
-
Signs and Symptoms: Acute fever, nausea, and
"chagoma" at the bite site; chronic disruption of the
heart, brain, and GI tract
|
| back 23 -
Causative Organism: Plasmodium species
(P. falciparum, P. vivax, P. ovale, P. malariae, P.
knowlesi).
-
Mode of Transmission: Biological vector (mosquito)
or vertical transmission.
-
Virulence Factors: Multiple life stages/antigenic
types, glucose scavenging, and cytoadherence.
-
Culture/Diagnosis: Blood smear or serological
methods.
-
Prevention: Mosquito control, bed nets, and
prophylactic antiprotozoal agents; vaccine for children.
-
Treatment: Artemisinin and combination
therapy.
-
Signs and Symptoms: Cyclic chills, fever, and
sweating; anemia and organ enlargement
|
| back 24 -
Causative Organism: Human immunodeficiency virus 1
or 2.
-
Mode of Transmission: Direct sexual contact,
parenteral, or vertical transmission.
-
Virulence Factors: Attachment, syncytia formation,
reverse transcriptase, and a high mutation rate.
-
Culture/Diagnosis: Immunoassay to detect antibodies
and antigens.
-
Prevention: Avoidance of contact with infected
fluids; PreP for high-risk individuals.
-
Treatment: Early antiretroviral regimen.
-
Signs and Symptoms: Initial fatigue and weight
loss; progresses to severe immune deregulation and opportunistic
infections
|