Rotavirus

Question 1

most common strain of rotavirus in Canada

Answer 1

G1P (most common globally also)

Question 2

Rotarix covers which strains? number of doses?

Answer 2

AKA RV1
only G1P
2 doses at 2 and 4 months

Question 3

Rotatech covers which strains?

number of doses?

Answer 3

aka RV5
G1,2,3,4,6
3 doses

Question 4

when should you administer rotavirus vaccine?

Answer 4

starting at 6 weeks and before 15 weeks
last dose needs to be administered at 8 months of age
there needs to be minimum 4 weeks between doses

Question 5

risk of intussusception with rotavirus vaccine?

Answer 5

yes, very low

1-3/100000

Question 6

contraindications to rotavirus vaccine

Answer 6

1. allergic reaction
2. previous intussception or risk of developing intussception (i.e unrepaired meckle or other lead point)
3. immunocompromised and contraindicated to receive live vaccines

NB having an immunocompromised person in the house is not a contrainidcation for rotavirus vaccines (except mom on biologics because baby might not have the antibodies)

Question 7

when to report intussusception possibly associated with rotavirus vaccine

Answer 7

if the vaccine was in the previous 21 days