06/12/2021
To be clear, if you are flying from the UK in to Switzerland and you are fully vaccinated, you still ned to present a negative PCR text taken maximum 72hrs prior to arrival on Swiss territory.
You must complete the Swiss landing form, which can be found on this link Entry requirements - Switzerland travel advice - GOV.UK (www.gov.uk)
When entering France via the land border, you must also present proof of a negative PCR test taken less than 72 hrs before departure or a negative antigen test taken 48hrs before departure. This is for anyone aged 12 and over.
You must also complete the French attestation Attestation sur l'honneur - Modèle de lettre - service-public.fr