Judgment of the General Court (Fourth Chamber) of 12 October 2022.#Ivo Van Walle v European Centre for Disease Prevention and Control.#Civil service – Members of the temporary staff – ECDC staff members – Decision not to renew a contract – Manifest error of assessment – Misuse of powers – Duty to have regard for the welfare of officials – Right to be heard – Action for annulment and for damages.#Case T-83/21.