Erythema Infectiosum

Question 1

Human parvovirus B19 is a _______ containing virus?

Answer 1

DNA

Question 2

What is another name for Erythema Infectiosum?

Answer 2

5th disease

Question 3

How is Erythema Infectiosum transmitted?

Answer 3

-large droplet from nasopharyngeal viral shedding (secretions)
-contact with
respiratory secretions
-percutaneous exposure to blood or blood products

Question 4

What is the incubation period for Erythema Infectiosum?

Answer 4

4 to 14 days (can be as long as 21 days)

Question 5

What symptoms are common 2 to 3 weeks after acquisition of Erythema Infectiosum?

Answer 5

• Rash

- Joint symptoms

Question 6

What type of rash is seen in Erythema Infectiosum?

Answer 6

• A red “slapped cheek” appearance

- Symmetric, maculopapular, lace-like, pruritic rash

Question 7

What percentage of individuals infected with Erythema Infectiosum experience a fever?

Answer 7

15 to 30%

Question 8

What is unique about the rash seen in Erythema Infectiosum?

Answer 8

It can fluctuate in intensity with environmental changes/temperature

Question 9

Is arthralgia and arthritis seen more often in children or adults?

Answer 9

Adults, especially women

Question 10

How do you diagnose Erythema Infectiosum?

Answer 10

Clinically

Question 11

How to treat Erythema Infectiosum?

Answer 11

• Supportive treatment
• Fever-reducing agents
• Fluids