Blood and Transfusion

Question 1

How is HEV screened in blood donations and what is the minimum infective dose?

Answer 1

Universal screening using pooled RNA testing

Minimum infective dose 2x 10^4 IU/ml in blood which results in infection 50% of the time

Question 2

What screening is in place for HEV in donors?

Answer 2

HEV RNA testing (in deceased donors not usually available prior to donation)

Viraemia is not an absolute contraindication to transplant but informs post transplant management

Question 3

Is SOT contraindicated in dengue infection?

Answer 3

Yes

Question 4

How many days are blood donors considered infectious for if they have traveled to a dengue risk area?

Answer 4

28 days

Question 5

How long should contacts of mpox be deferred from donating blood?

Answer 5

21 days

Question 6

When can you donate blood/tissues post COVID?

Answer 6

Blood 7 days post resolution of symptoms

Tissues 14 days post resolution of symptoms