Viral Diseases

Question 1

Influenza

Answer 1

Orthomyxoviridae family, RNA virus
pneumotropic
-viral discharge -headache -muscle pain
-secondary pneumonia -sore throat -weakness
Guillain-Barre syndrome and Reyes Syndrome
Detection: pattern spread, isolation of viruses
Treatment: Amantadine, Tamiflu
Prevent: Vaccine with attenuated virus

Question 2

Common Cold

Answer 2

adenovirus in the adenoviridae (DNA) or Rhinovirus (RNA) that are in the Picornaviradae pneumotropic
-airborne
Treatment: Interferon nasal spray, vitamin C, cold medicine

Question 3

Herpes Simplex

Answer 3

Herpesviridae family, DNA
dermatropic
Spread: Contact, placental
Type 1: cold sores, conjuctivakeratittis
Type 2: genital herpes
Detect: Observe lipschultz bodies (granules in cell nuclei)
Treatment: acyclovir (Zovirax)

Question 4

Chicken Pox

Answer 4

Varicella-zoster virus, Herpesviridae family, DNA
dermotropic
-airborne, skin contact
1st expression- as a child, 2nd expression- as an adult (Shingles)
Treatment: Acyclovir (Zovirax)
Prevention: Varivax

Question 5

Measles

Answer 5

Paramyxoviradae family, RNA, dermotropic
-airborne
- hacking cough, Koplik spots, rash
Detection: Koplik spots
Treatment: none
Prevention: MMR vaccine

Question 6

Rubella

Answer 6

Togoviridae RNA dermotropic
-airborne, contact with fomites
symptoms: rash on face that spreads, cold symptoms
Detection: symptoms
Treatment: analgesics, antipyretics (itching), topical Benadryl
Prevention: MMR vaccine

Question 7

Mumps

Answer 7

Paramyxoviridae RNA dermotropic
Transmission: Airborne- contact with fomites
Symptoms: Enlarged parotid glands
No treatment
Prevention: MMR vaccine

Question 8

Infectious Mononucleosis

Answer 8

Epstein-Barr Herpesviridae DNA viscerotropic
Transmission: mouth to mouth, contact with fomites, saliva and/or blood
Symptoms: chronic fatigue, swollen lymph
Detection: high lymphocyte count, Downey cells
Treatment: bed rest, analgesics
Prevention: none

Question 9

Hepatitis A

Answer 9

Picornaviridae RNA viscerotropic
Transmission: food or waterborne, fecal-oral
Symptoms: enlarged liver, appendicitis-like pain, weight loss
Detection: liver function test
Prevention: Hep A glovulins, vaccine

Question 10

Hepatitis B

Answer 10

Hepadnaviridae DNA viscerotropic
Transmission: blood, saliva, nail biting, etc
Symptoms: fatigue, taste changes, dark urine and stool

Question 11

AIDS

Answer 11

Retroviridae RNA virus with DNA intermediate, viscerotropic
Transmission: contact with body fluids
Symptoms: cold, fatigue
treatment: AZT

Question 12

Polio

Answer 12

Picornaviridae RNA, neurotropic
Transmission: food or waterborne
Treatment: iron lung, respirator, leg braces
Prevention: SALK vaccine, Sabin vaccine

Question 13

West Nile virus

Answer 13

West Nile Virus Flaviviridae RNA neurotropic
Transmission: mosquito
Treat symptoms, flu-like
Prevention: mosquito control, avoid dead birds, insect repellent