Slapped cheek (Parvovirus B19 infection)

Question 1

What is another name for the illness caused by Parvovirus B19?

Answer 1

Slapped cheek syndrome, erythema infectiosum, or fifth disease.

Question 2

Who is most commonly affected by Parvovirus B19?

Answer 2

School-aged children.

Question 3

Is Parvovirus B19 usually serious in healthy people?

Answer 3

No, it is usually mild and self-limiting.

Question 4

Name three groups at increased risk of complications from Parvovirus B19.

Answer 4

Pregnant women, immunocompromised individuals, and those with haematological disorders.

Question 5

What is the classic rash associated with Parvovirus B19 in children?

Answer 5

“Slapped cheek” rash, followed by a maculopapular rash on the trunk and limbs.

Question 6

Are children with a rash due to Parvovirus B19 infectious?

Answer 6

No, they are not infectious after the rash appears and exclusion from school is not required after the rash appears.

Question 7

What is the recommended management for healthy children with Parvovirus B19?

Answer 7

Simple analgesia (e.g. paracetamol, ibuprofen).

Question 8

Is the classic “slapped cheek” rash common in adults?

Answer 8

No, it is rare in adults. Adult may experience polyarthropathy (symmetrical joint pain).

Question 9

Why should adults avoid pregnant women if a rash is present?

Answer 9

Until rubella status is confirmed to avoid risk to pregnancy.