Vaccination against COVID-19: 4th dose for people aged 80 and over

People aged 80 and over can now receive a 4th dose of the COVID-19 vaccine. The 4th dose:

  • is administered at the earliest 4 months after the booster dose; and
  • aims to maintain the high level of vaccine protection they have acquired against infection, severe disease and death.

The vaccine product used is a messenger RNA vaccine.

Reminder: any immunocompromised person (organ or haematopoietic stem cell transplants, patients undergoing lymphopenic chemotherapy or immunosuppressive treatments, or those with a primary immune deficiency) or dialysis patients aged 18 and over can also obtain a 4 th dose of vaccine. This must be done at the earliest 3 months after the last injection.

Invitations are sent by post to those concerned. On the invitation there is detailed information on how to make an appointment:

The list of physicians and pharmacies participating in the vaccination campaign is available on

Personalised assistance is also available through the hotline set up for this purpose under the number (+352) 247-65533.

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