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Czech National Marrow Donors Registry (ION-5440) 

CNMDR has adopted following preliminary policy for donors after vaccination against COVID:

  • mRNA vaccines (Pfizer / BioNTech, Moderna) and protein vaccines (Novavax, Sanofi) – deferral of 7 days after each vaccination dose, provided no relevant side effects occurs.
  • Vector vaccines (Astra Zeneca, Johnson & Johnson) – deferral of of 28 days after each vaccination dose (a change of opinion after gaining more experience with vaccination cannot be ruled out).
  • Information about the donor's vaccination sent to the transplant center

With increasing experience the policy is likely to be modified.

Israel Ezer Mizion Registry Israel  Bone Marrow Donor Registry (ION-4987)

Italian Bone Marrow Registry (7450)

In Italy IBMDR according to national requirements, stated by CNS  - the national competent authority for blood, HSC and blood componet donations,  we have just implemented this policy:

  • Donors (selected for TC/Work up and donation) and  vaccinated with a vaccin based on weakened/ attenuated form of Sars -COV 2  -> deferral period of ( at least) 4 weeks after each vaccin injection
  • Donors (selected for TC/Work up and donation) and  vaccinated with a vaccin based on mRNA or protein subunits, with no alive virus  - > deferral period of ( at least) 48 hours after each vaccin injection
  • Donors (selected for TC/Work up and donation) and  vaccinated with a vaccin based on mRNA or protein subunits, with no alive virus but with  symptomes after the vaccination - > deferral period of ( at least) 1 week  after full recovery
  •  Donors (selected for TC/Work up and donation) and  with no sufficient information on the type of used vaccin   -> deferral period of ( at least) 4 weeks after each vaccin injection

Singapore Bone Marrow Donor Programme (ION-3785)

For both donor and patient safety, BMDP sets the following guidelines for donor receiving COVID-19 vaccination:

  • For BM and DLI collection: Donor should receive the vaccination at least 7 days before the planned collection date.
  • For PBSC collection: Donors should receive the vaccination at least 7 days before the planned start of GCSF.

Switzerland Swiss Registry for Blood Stem Cell Donors (ION-9341)

Eligibility criteria / deferral periods after vaccination for SARS-CoV-2:

  1. After vaccination with a weakened virus vaccine ( e.g. a viral vector based vaccine or live attenuated vaccine), donors will be deferred from donation for 4 weeks
  2. Asymptomatic donors who have been vaccinated with an inactivated virus vaccine or a vaccine that does not contain any active viral component ( i.e. mRNA, DNA or recombinant protein/subunit vaccines) will be deferred from donation for 48 hours
  3. Any donor who develops symptoms after administration of any SARS-CoV-2 vaccine will be deferred from donation until 7 days after complete remission of the symptoms
  4. A deferral period of 4 weeks after vaccination applies in cases where no reliable information on the vaccine is forthcoming or available.


United States of America NMDP-Be the Match (ION


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