Answer
It may be possible, but vaccination staff need to assess bleeding and bruising risk and use appropriate intramuscular-injection precautions.
Sources for this answer
- Spikevax JN.1 0.1 mg/mL dispersion for injection — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.