After informed consent is given, questionnaires will be obtained 6 months and 12 months after infection. For analyzing cognitive and motor fatigue, classified in mildly, moderately or severely fatigue the questionnaire will be calculated by The Fatigue Scale for Motor and Cognitive Functions (FSMC).
And the occurrence of Major Depressive Disorder, other depressive Syndrome or Panic syndrome measured by Brief Patient Health Questionnaire.
The FSC19-KN trial already included patients with positive test for SARS-CoV-2 by PCR and volunteers with negative SARS-CoV-2 antibody testing. Verification of exclusion criteria had been completed in the main trial FSC19-KN. After the informed consent to participation in the sub-study is given all inclusion modalities are fulfilled.