Chicken Pox ( Varicella Zooster Virus ) VZV

Question 0

What are the secondary infection of the Chicken Pox?

Answer 0

*The 2nd infection is Shingles ( Herpes zooster ) reactivation of VZV when immune system fails in elderly.
Which allows for infection of non immune grandchildren

Question 1

What are the Primary infection that causes the Chicken Pox?

Answer 1

The primary infection is Varicella

Question 2

Provide the etiology of the the Virus that causes the Chicken Pox(3)? And what is the name of the Virus?

Answer 2

Varicella Zooster Virus 
1)dsDNA
2)Polyhedral capsid
3) Envelope 
Large size

Question 3

How does the chicken pox virus transmitted ( VZV ) ? And by what kind of mode?

Answer 3

• reservoir ( infected humans.. Virus can be spread by droplets)
• mode of transmission
  Droplets mode
  Direct contact with infected Lesions
  Fomites

Question 4

What is the Clinical signs the Chicken Pox ( VZV ) ?

Answer 4

• Incubation 10-23 days
• Vascular rash in scalp , head , and trunk which progress to extremities
• fever
• headache, fatigue, sore throat, Purities ( itching)
• vesicles turn pustular , forma xrust . Scab and then heals
• vesicular Pustular rash including oral mucosal ulcers

Question 5

What are the clinical signs of the secondary infection that causes the chicken Pox ( Shingles ) ?

Answer 5

1) vesicular pustular innervated by sensory neurons from one dorsal root.
2) pain

Increase in frequently with age 50% of population will have Shingles by age of 85

Question 6

How you diagnosed the chicken pox?

Answer 6

clinically diagnosis

Question 7

How you treat The chicken pox infection If not serious complications occurs ?

Answer 7

1) Supportive care
- antihistamines for itching
- drying agents to sooth the skin
- antipyretic for fever
- fluid and electrolytes to prevent dehydration
- monitor and treat 2nd bacterial infection if any

Question 8

How you treat the chicken pox infection for serious complications? Such as ( Neonatal infection ) rare suchlike ( hemorrhagic, Encephalitis)

Answer 8

1) Oral or IV Acyclovir

2) Varicella vaccination post exposure ( not effective if after 5 days after exposure)

Question 9

How you prevent Chicken Pox?

Answer 9

1) Avoid contact with infected
2) regular hand washing
3) excellent personal hygiene ( cover mouth when coughing & sneezing)
4) Vaccination ( Varivsx for children)
5) Herpes Zooster Vaccine ( Zostavax) for 69 years ago older and above