No, with a temporary contract, the two-year sickness notice protection does not apply in the same way as with a permanent contract. If your fixed-term contract expires during your illness, the employer may simply let it end on the agreed end date, without an extension or dismissal procedure. No dismissal permit then needs to be applied for and there is no legal prohibition on giving notice during illness. However, you may be entitled to a transitional payment, depending on the length of your employment and the reason for termination.