A patient consulted a doctor about acure respiratory viral infection. The patient was acknowledged to be off work. The doctor issued him a medical certificate for 5 days. The patient is not recovering. What measures should the doctor take in order to legalize the further disability of patient?

Answer options

1. To send the patient to the medical social expert comission
2. To prolong the medical certificate at his own discretion but no more than for 10 days in total
3. To send the patient to the medical consultative commission
4. To prolong the medical certificate together with department superintendent
5. To prolong the medical certificate at his own discretion but no more than for 6 days in total