Module 15 - Viral Diseases of the Different Organ Systems

Warts (Papillomas)

**Causative Agent:**


1. Human Papillomaviruses (HPV)

**MOT:**


1. Direct contact except for genital warts
2. Person to person

Herpes Simplex Type 1

**Causative Agent:**


1. Herpes Simple Virus-1

**MOT:**


1. Kissing
2. Sharing of utensils or towels

Conjunctivitis

**Causative Agent:**


1. Adenovirus
2. Enterovirus

**MOT:**


1. Direct contact with eye secretions (tear)
2. Contact with contaminated surfaces
3. Poorly chlorinated swimming pools

**Infected Body Part:** Eyes

Common Cold

**Causative Agent:**


1. Rhinovirus
2. Coronavirus
3. Parainfluenza virus
4. Adenovirus
5. Enterovirus
6. Respiratory Syncytial virus
7. Influenza virus

**MOT:**


1. Droplets of mucus in the air
2. Direct contact with infected person
3. Hands and fomites

Influenza

**Causative Agent:**


1. Myxovivrus

**MOT:**


1. Direct
2. Indirect
3. Droplet
4. Airborne

Severe Acute Respiratory Syndrome (SARS)

**Causative Agent:**


1. SARS-associated Coronavirus

**MOT:**


1. Direct contact with mucous membrane of suspected patients
2. Droplets
3. Fomites
4. Inanimate with secretions/body fluids

Hepatitis A and E

**Causative Agent:**


1. Hepatitis Virus

**MOT:**


1. Fecal-oral route

Hepatitis B

**Causative Agent:**


1. Hepatitis Virus

**MOT:**


1. Parenteral route
2. Sexual contact
3. Transplacental
4. Body fluids from infected p/x
5. Blood transfusion
6. Infected needles/syringes

Hepatitis C

**Causative Agent:**


1. Hepatitis C

**MOT:**


1. Needle-sharing
2. Blood Transfusion
3. Sexual Contact

Hepatitis D

**Causative Agent:**


1. Hepatitis Virus

**MOT:**


1. Parenteral route
2. Sexual contact
3. Household contacts

Hepatitis G

**Causative Agent:**


1. Hepatitis Virus

**MOT:**


1. Parenteral Route

Viral Gastroenteritis

**Causative Agent:**


1. Norovirus
2. Rotavirus

**MOT:**


1. Fecal-oral route
2. Infected humans
3. Contaminated water
4. Shellfish

Genital Herpes

**Causative Agent:**


1. Herpes Simplex Virus-2

**MOT:**


1. Sexual Contact
2. Mother-to-fetus/neonate

Genital Warts

**Causative Agent:**


1. Human Papillomavirus (HPV)

**MOT:**


1. Direct skin-to-skin (oral, genital, or sex)

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Acquired Immunodeficiency Syndrome (AIDS)

**Causative Agent:**


1. Human Immunodeficiency Virus-1 and -2

**MOT:**


1. Homosexual/Heterosexual contact
2. Blood and blood products
3. Mother to infant
4. Unsterile needles
5. Organ donation

Infectious Mononucleosis

**Causative Agent:**


1. Epstein-Barr Virus or Human Herpes virus 4

**MOT:**


1. Person to person contact
2. Saliva
3. Droplet Transmission
4. Sharing food or beverages

Rabies

**Causative Agent:**


1. Rhabdo Virus

**MOT:**


1. Infected saliva through bite/broken skin

Ebola

**Causative Agent:**


1. Genus Ebolavirus

**MOT:**


1. Wild animals to people
2. Indirect contact with environment contaminated with such fluids

Middle East Respiratory Syndrome Coronavirus (MERS-CoV)

**Causative Agent:**


1. MERS CoV (coronavirus)

**MOT:**


1. Not yet understood

Poliomyelitis

**Causative Agent:**


1. Legiodebilitans
2. Drunhilde
3. Leon
4. Lansing

**MOT:**


1. Droplet spread of oropharyngeal secretions
2. Fecal-oral route
3. Vehicle-borne
4. Vector-borne