Comirnaty LP.8.1 10 micrograms/dose dispersion for injection MDV Children 6 months to 11 years
*Company:
Pfizer Healthcare Ireland Unlimited CompanyStatus:
UpdatedLegal Category:
Product subject to medical prescription which may not be renewed (A)Active Ingredient(s):
This medicinal product is subject to additional monitoring.
*Additional information is available within the SPC or upon request to the company

Updated on 28 May 2026
File name
Adv PIL COMIRNATY LP.8.1 10mcg MDV bCY 3_0 IE clean.pdf
Reasons for updating
- Change to Section 1 - what the product is
- Change to section 1 - what the product is used for
- Change to section 2 - use in children and adolescents
- Change to section 3 - use in children/adolescents
- Change to section 4 - possible side effects
- Change to section 6 - date of revision
- Change to information for healthcare professionals
Updated on 28 May 2026
File name
Adv SPC COMIRNATY LP.8.1 10 mcg & 30 mcg MDV bCY 4_0 IE clean.pdf
Reasons for updating
- Change to section 4.1 - Therapeutic indications
- Change to section 4.2 - Posology and method of administration
- Change to section 4.8 - Undesirable effects
- Change to section 5.1 - Pharmacodynamic properties
- Change to section 6.3 - Shelf life
- Change to section 6.5 - Nature and contents of container
- Change to section 6.6 - Special precautions for disposal and other handling
- Change to section 8 - Marketing authorisation number(s)
Legal category:Product subject to medical prescription which may not be renewed (A)
Free text change information supplied by the pharmaceutical company
The following changes to the labelling have been approved. Please refer to attached copies of labelling documentation for full details.
Please note that COMIRNATY is subject to additional monitoring and therefore an inverted black triangle has been added to the SPC, PIL and PI.
The SPCs have been updated as follows:
4.1 Therapeutic indications
Modify the therapeutic indication alongside the 3mcg to 10mcg posology change.
4.2 Posology and method of administration
Dosing regimen simplification (i.e. 2-dose 10mcg primary series) in vaccine-naive individuals) aged 6mo-4yo based on C4591048 SSA phase 2/3 Groups 1-5:
•
o
≥6 months to <2 years: 2-dose 10 mcg primary series
≥2 to <5 years: 2-dose 10 mcg primary series
4.8 Undesirable effects
Support the approved 10mcg single dose simplified posology in vaccine-naïve children from 5 to 11 years of age based on C4591048 SSE. C4591048 SSE was supportive data.
ADR Table updated with side effects for participants 6 and 23 months of age.
5.1 Pharmacodynamic properties
Editorial changes.
Support the approved 10mcg single dose simplified posology in vaccine-naïve children from 5 to 11 years of age based on C4591048 SSE. C4591048 SSE was supportive data to the earlier Agency approved (EMEA/H/C/005735/II/0177/G, CHMP Opinion: 22 June 2023, EC decision: 08 August 2025) 10 mcg single dose simplified posology in individuals 5 years of age and above, which at the time, was based on 06th- 07th June 2023 EMA/ECDC published guidance (https://www.ema.europa.eu/en/news/ema-and-ecdc-statement-updating-covid-19-vaccines-target-new-sars-cov-2-virus-variants).
6.3 Shelf life
Editorial changes.
Statement updated on unopened vials storage conditions.
6.5 Nature and contents of container
Editorial changes.
6.6 Special precautions for disposal and other handling
Editorial changes.
8. MARKETING AUTHORISATION NUMBER(S)
Editorial changes.
SPC for Comirnaty JN.1 10 micrograms/dose concentrate for dispersion for injection
All reference to Comirnaty JN.1 3 micrograms/dose concentrate for dispersion for injection have been deleted from all sections 1-8 of the annex.
The PIL has been updated to reflect the SPC changes.
See PIL tick list for sections updated.
The PI has been updated to reflect the SPC changes.
The PI has been updated as follows: Side effects section updated in line with SPC updates.
The packaging (label/carton) is not affected.
Implementation Responsibilities – Brand Marketing
SPC Ireland brand marketing
Please implement in line with the Ireland Addendum to the Global Commercial Content Policy for the Review and Approval Procedure for Promotional Materials.
PI Ireland brand marketing
Please implement in line with the Ireland Addendum to the Global Commercial Content Policy for the Review and Approval Procedure for Promotional Materials.
Updated on 01 April 2026
File name
Adv PIL COMIRNATY LP.8.1 10mcg MDV bCY 2_0 IE clean.pdf
Reasons for updating
- Change to section 6 - manufacturer
- Change to section 6 - date of revision
- Improved presentation of PIL
Free text change information supplied by the pharmaceutical company
The PILs have been updated with the new batch release site.
Updated on 23 March 2026
File name
Adv SPC COMIRNATY LP.8.1 10 mcg & 30 mcg MDV bCY 3_0 IE clean.pdf
Reasons for updating
- Change to section 4.8 - Undesirable effects
- Change to section 5.1 - Pharmacodynamic properties
Legal category:Product subject to medical prescription which may not be renewed (A)
Free text change information supplied by the pharmaceutical company
The SPCs have been updated as follows:
4.8 Undesirable effects
Section updated on data from Study C4591054 Substudy A and Substudy B (1MPD immunogenicity data from SSA and SSB and the 6MPD safety data from SSA and SSB).
5.1 Pharmacodynamic properties
Section updated on data from Study C4591054 Substudy A and Substudy B (1MPD immunogenicity data from SSA and SSB and the 6MPD safety data from SSA and SSB).
Updated on 20 October 2025
File name
Adv SPC COMIRNATY LP.8.1 10 mcg & 30 mcg MDV bCY 2_0 IE clean.pdf
Reasons for updating
- Change to section 6.5 - Nature and contents of container
- Change to section 8 - Marketing authorisation number(s)
Legal category:Product subject to medical prescription which may not be renewed (A)
Free text change information supplied by the pharmaceutical company
The SPC have been updated as follows:
6.5 Nature and contents of container
Introduction of new pack size – 1 pre-filled syringe
8. Marketing Authorisation Number (s)
Section updated with new MA number for 1 glass pre-filled syringe presentation.
Updated on 30 July 2025
File name
Adv SPC COMIRNATY LP.8.1 10 mcg & 30 mcg MDV bCY 1_0 IE.pdf
Reasons for updating
- New SPC for new product
Legal category:Product subject to medical prescription which may not be renewed (A)
Updated on 30 July 2025
File name
Adv PIL COMIRNATY LP.8.1 10mcg MDV bCY 1_0 IE.pdf
Reasons for updating
- New PIL for new product
Pfizer Healthcare Ireland Unlimited Company

Address:
The Watermarque Building, Ringsend Road, Dublin 4, D04 K7N3, IrelandTelephone:
+353 1 467 6500Fax:
+353 1 467 6501Website:
https://www.pfizermedicalinformation.ie/Medical Information Direct Line:
1 800 633 363
