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Bacteria
  • Bacterial Basics:
    • Bacterial Basics and Structure
    • Replication
    • Genetics
    • Biochemical Tests
    • Media and Agar
  • Gram-Positives:
    • Bacillus anthracis
    • Bacillus cereus
    • Clostridium difficile
    • Clostridium perfringens
    • Clostridium tetani
    • Clostridium botulinum
    • Corynebacterium diphtheriae
    • Enterococcus spp.
    • Listeria monocytogenes
    • Staphylococcus spp.
    • Staphylococus aureus
    • Staphylococus epidermidis
    • Staphylococus saprophyticus
    • Streptococcus spp.
    • Streptococcus agalactiae
    • Streptococcus pneumoniae
    • Streptococcus pyogenes
    • Streptococcus Viridans
    • Other Uncommon Gram-Postiives
  • Gram-Negatives:
    • Bacterial vaginosis
    • Bordetella pertussis
    • Borrelia burgdorferi
    • Borrelia recurrentis
    • Brucella sp.
    • Burkholderia spp.
    • Campylobacter jejuni
    • Chlamydia spp.
    • Chlamydia pneumoniae
    • Chlamydia trachomatis
    • Coxiella burnetii
    • Escherichia coli
    • Francisella tularensis
    • HACEK endocarditis agents
    • Haemophilus ducreyi
    • Haemophilus influenzae
    • Helicobacter pylori
    • Klebsiella pneumoniae
    • Legionella pneumophila
    • Leptospira spp.
    • Moraxella catarrhalis
    • Neisseria gonorrhoeae
    • Neisseria meningitidis
    • Orientia tsutsugamushi
    • Pasteurella spp.
    • Proteus spp.
    • Pseudomonas aeruginosa
    • Rickettsia prowazekii
    • Rickettsia rickettsii
    • Salmonella spp.
    • Salmonellosis
    • Typhoid fever (Salmonella typhi)
    • Serratia spp.
    • Shigella
    • Treponema pallidum
    • Vibrio cholerae
    • Vibrio parahaemolticus
    • Vibrio vulnificus
    • Yersinia enterocolitica
    • Yersinia pestis
    • Other Uncommon Gram-Negatives
  • Atypical and Acid-Fast:
    • Acid-Fast Basics
    • Mycobacterium avium-intercellulare
    • Mycobacterium leprae
    • Mycobacterium tuberculosis
    • Mycoplasma pneumoniae
    • Nocardia asteriodes
Parasites
  • Parasites :
    • The Basics
    • Helminths
    • Protozoa
  • Sporozoans:
    • Babesia sp.
    • Cryptosporidium parvum
    • Plasmodium falciparum
    • Toxoplasma gondii
  • Flagellates:
    • Giardia intestinalis
    • Leishmania spp.
    • Trichomonas vaginalis
    • Trypanosoma brucei
    • Trypanosoma cruzi
  • Amebae:
    • Entamoeba histolytica
    • Naegleria fowleri
  • Helminths :
    • Ascaris lumbricoides
    • Ancylostoma duodenale/Necator americanus
    • Diphyllobothrium latum
    • Echinococcus granulosus
    • Enterobius vermicularis
    • Hookworms (non-human)
    • Loa loa
    • Onchocerca volvulus
    • Taenia spp. (Taeniasis and Cysticercosis)
    • Schistosoma mansoni
    • Schistosoma haematobium
    • Strongyloides stercoralis
    • Trichinella spp.
    • Trichuris trichiura
    • Wuchereria bancrofti
  • Arthropods :
    • Lice
    • Scabies
  • Other Uncommon Parasites
Viruses
  • Viruses:
    • Viruses – Basics
    • RNA Viruses
    • DNA Viruses
    • Retrovirus Basics
  • DNA Viruses:
    • Adenovirus
    • Hepatitis B
    • HPV
    • JC Virus
    • Molluscum contagiosum
    • Parvovirus B19
    • Smallpox
    • Herpes simplex viruses (HSV) 1 and 2
    • CMV
    • EBV
    • VZV (chickenpox)
    • VZV (shingles)
    • HHV-6 and 7
    • KSHV (HHV-8)
  • Retroviruses:
    • Retrovirus Basics
    • HIV Basics
    • HIV Clinical
    • HIV Classic Cases
    • HIV Treatment
    • HTLV
  • RNA Viruses:
    • Arboviruses (St. Louis Encephalitis, Eastern/Western Equine, etc.)
    • Arenaviruses
    • Astrovirus
    • Chikungunya virus
    • Colorado Tick Fever
    • Coronaviruses (SARS and MERS)
    • Dengue
    • Ebola/Marburg
    • Enteroviruses (Coxsackievirus/Echovirus)
    • Hantavirus
    • Hepatitis A
    • Hepatitis C
    • Hepatitis D
    • Hepatitis E
    • Influenza
    • Measles
    • Metapneumovirus
    • Mumps
    • Norwalk
    • Parainfluenza virus
    • Polio
    • Rabies
    • Rhinovirus
    • Rotavirus
    • RSV
    • Rubella
    • West Nile
    • Yellow Fever
    • Zika
  • Prions
Fungi
  • Fungi:
    • Fungal Basics
    • Aspergillus fumigatus
    • Blastomyces dermatitidis
    • Candida albicans
    • Coccidioides immitis
    • Cryptococcus neoformans
    • Histoplasma capsulatum
    • Pneumocystis jirovecii
    • Ringworm (Dermatophytes)
    • Sporothrix schenckii
    • Other Uncommon Fungi

Video Animations

Bacteria Basics
  • Bacterial Basics:
    • Bacterial shapes
    • Bacteria vs. eukaryotes
    • Capsules
    • Gram-positive cell wall
    • Gram-negative cell wall
    • Gram-stain: Gram-positive
    • Gram-stain: Gram-negative
    • Conjugation and Transformation
    • Transduction
  • Biochemical Tests:
    • Catalase test
    • Coagulase test
    • H2S production
    • Lecithinase Assay
    • Oxidase test
    • Urease test
    • Hemolysis
    • Bile Solubility
    • Bacitracin and Optochin
    • Minimum inhibitory concentration test
    • Kirby Bauer tests
  • Agars:
    • Lowenstein-Jensen Agar
    • MacConkey Agar
    • Salmonella-Shigella Agar
    • Selective media
    • TCBS Agar
Gram-Positive Bacteria
  • Bacillus anthracis
    • Basics and Clinical
    • Anthrax Toxin
  • Bacillus cereus
  • Clostridium difficile
    • Basics and Clinical
    • Lecithinase Assay
  • Clostridium perfringens
    • Gas Gangrene
    • Gastroenteritis
  • Clostridium tetani
    • Basics and Clinical
    • Tetanus toxin mechanism
  • Clostridium botulinum
    • Basics and Clinical
    • Botulism in Infants
    • Botox mechanism
  • Corynebacterium diphtheriae
  • Enterococcus spp.
  • Listeria monocytogenes
    • Basics and Clinical
    • Listeria in Neonates
  • Staphylococcus spp.
    • Catalase test
    • Coagulase test
  • Staphylococus aureus
    • Food Poisoning
    • Toxic Shock Syndrome
    • TSS Toxin
    • Scalded Skin Syndrome
  • Staphylococus epidermidis
  • Staphylococus saprophyticus
  • Streptococcus spp.
    • Basics
    • Classifying Streptococci
    • Differentiating the Streptococci
    • Hemolysis
    • Bile Solubility
    • Bacitracin and Optochin
  • Streptococcus agalactiae
  • Streptococcus pneumoniae
    • Basics and Clinical
    • Diagnosis and Vaccine
  • Streptococcus pyogenes
    • Strep Throat and Scarlet Fever
    • Skin Infections
    • Toxic Shock Syndrome
    • Rheumatic Disease
    • Exotoxins
    • Other Virulence Factors
  • Streptococcus Viridans
Gram-Negative Bacteria
  • Gram-Negatives:
    • Bartonella henselae
    • Bordetella pertussis
    • Borrelia burgdorferi
    • Borrelia recurrentis
    • Brucella sp.
    • Burkholderia spp.
    • Campylobacter jejuni
    • Chlamydia spp.
    • Chlamydia pneumoniae
    • Chlamydia trachomatis
      • Overview and Life Cycle
      • Clinical Summary
      • Genital Disease and Neonates
      • Trachoma
    • Coxiella burnetii
    • Enterobacteriaceae
      • General
      • Biochemical test basics
    • Escherichia coli
      • Clinical Intro
      • EHEC
      • Neonates
      • UTIs
    • Francisella tularensis
    • Haemophilus ducreyi
    • Haemophilus influenzae
      • Overview
      • Type b (Hib) diseases
      • Capsules and typing
    • Helicobacter pylori
      • Overview and Clinical
      • Diagnosis and Treatment
    • Klebsiella pneumoniae
    • Legionella pneumophila
    • Leptospira spp.
    • Moraxella catarrhalis
    • Neisseria gonorrhoeae
    • Neisseria meningitidis
    • Pasteurella spp.
    • Proteus spp.
    • Pseudomonas aeruginosa
      • Intro and Clinical
      • Diagnosis and Virulence
    • Rickettsia prowazekii
    • Rickettsia rickettsii
    • Salmonella spp.
      • Salmonella vs. Typhoid fever
      • Salmonella naming system
      • Salmonella-Shigella agar
    • Salmonellosis
    • Typhoid fever (Salmonella typhi)
    • Serratia spp.
    • Shigella
    • Treponema pallidum
      • Syphilis Intro and Clinical
      • Congenital Syphilis
      • Darkfield Microscopy
      • Syphilis Tests Overview
      • Syphilis Tests: VDRL and RPR
    • Vibrio basics and TCBS Agar
    • Vibrio cholerae
      • Cholera intro and clinical
      • Cholera toxin
    • Vibrio parahaemolticus
    • Vibrio vulnificus
    • Yersinia enterocolitica
    • Yersinia pestis
Atypical and Acid-Fast Bacteria
  • Atypical and Acid-Fast:
    • Acid-Fast Staining
    • Mycobacterial Cell Wall
    • Mycobacterium avium-intercellulare
    • Mycobacterium leprae
      • Overview and Clinial
      • Diagnosis and Treatment
    • Mycobacterium tuberculosis
      • TB Skin Test
      • IFN-gamma assay
      • Lowenstein-Jensen and Acid Fast Stain
    • Mycoplasma pneumoniae
    • Nocardia asteriodes
Parasites
  • Sporozoans:
    • Babesia sp.
    • Cryptosporidium parvum
    • Plasmodium falciparum
      • Basics and Clinical
      • Epidemiology
      • Diagnosis and Treatment
    • Toxoplasma gondii
      • Summary and Clinical
      • Toxoplasmosis and AIDS
      • Congenital Toxoplasmosis
  • Flagellates:
    • Giardia intestinalis
    • Leishmania spp.
    • Trichomonas vaginalis
    • Trypanosoma brucei
    • Trypanosoma cruzi
  • Amebae:
    • Entamoeba histolytica
    • Naegleria fowleri
  • Helminths:
    • Ascaris lumbricoides
    • Ancylostoma duodenale/Necator americanus
    • Diphyllobothrium latum
    • Echinococcus granulosus
    • Enterobius vermicularis
    • Loa loa
    • Onchocerca volvulus
    • Taenia spp.
      • Taeniasis
      • Cysticercosis
    • Schistosoma mansoni
    • Schistosoma haematobium
    • Strongyloides stercoralis
    • Trichinella spp.
    • Trichuris trichiura
    • Wuchereria bancrofti
  • Arthropods :
    • Lice
    • Scabies
Viruses
  • Viruses:
    • Viral Genomes and Structure
    • Virus Replication
    • Virus Entry: Receptors
    • Syncytium formation
    • Retrovirus Basics
  • DNA Viruses:
    • Hepatitis B
      • Proteins and Vaccine
      • Replication and Treatment
      • HBV Serology: Vaccinated pt.
      • HBV Serology: Acute infection
      • HBV Serology: Chronic infection
    • HPV
      • Basics and Clinical
      • HPV Vaccines
    • JC Virus
    • Parvovirus B19
      • Basics and Clinical
      • Special Populations (Fetus, AIDS)
    • Smallpox
    • Herpes simplex viruses (HSV) 1 and 2
      • Basics and Clinical
      • Pathogenesis
      • Neonatal Herpes
      • Diagnosis and Treatment
    • CMV
      • Basics and Clinical
      • Neonates and Transplant Patients
    • EBV
      • Basics and Clinical
      • EBV Diagnosis
      • Cancer
    • VZV
      • Chickenpox
      • Shingles
      • Chickenpox and Shingles: Immunity
      • Varicella vs. Smallpox
    • HHV-6 and 7
    • KSHV (HHV-8)
  • Retroviruses:
    • Retrovirus Basics
    • HIV Basics
      • HIV Acute Infection
      • HIV Progression to AIDS
      • HIV Diagnostics
      • HIV Treatment
    • HTLV
  • RNA Viruses:
    • Arboviruses (St. Louis Encephalitis, Eastern/Western Equine, etc.)
    • Arenaviruses
    • Astrovirus
    • Chikungunya virus
    • Coronaviruses (SARS and MERS)
    • Dengue
    • Ebola/Marburg
    • Enteroviruses (Coxsackievirus/Echovirus)
      • Basics and Clinical
      • Complications
    • Hantavirus
    • Hepatitis A
    • Hepatitis C
    • Hepatitis D
    • Hepatitis E
    • Influenza
      • Basics and Clinical
      • Influenza replication and treatment
      • Influenza genetics
      • Influenza proteins
    • Measles
    • Metapneumovirus
    • Mumps
    • Norwalk
    • Parainfluenza virus
    • Polio
      • Basics and Clinical
      • Vaccines
    • Rabies
    • Rhinovirus
    • Rotavirus
    • RSV
    • Rubella
    • West Nile
    • Yellow Fever
    • Zika
  • Prions
    • Basics
    • Kuru
    • Prion Hypothesis
Fungi
  • Fungi:
    • Fungal Basics
    • Types of Fungi
    • Fungal Diagnostics
    • Aspergillus fumigatus
    • Blastomyces dermatitidis
    • Candida albicans
    • Coccidioides immitis
    • Cryptococcus neoformans
    • Histoplasma capsulatum
    • Pneumocystis jirovecii
    • Ringworm (Dermatophytes)
    • Sporothrix schenckii
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