Vortioxetine for Post-COVID-19 Condition

Inclusion Criteria * Age 18+ * Meets WHO-defined post-COVID-19 condition (WHO definition: 'Post COVID-19 condition occurs in individuals with a history of probable or confirmed SARS-CoV-2 infection, usually 3 months from the onset of COVID-19 with symptoms that last for at least 2 months and cannot be explained by an alternative diagnosis. Common symptoms include fatigue, shortness of breath, cognitive dysfunction but also others\* and generally have an impact on everyday functioning. Symptoms may be new onset following initial recovery from an acute COVID-19 episode or persist from the initial illness. Symptoms may also fluctuate or relapse over time.') To ensure the above criteria is met, participants will only be included in the study if they meet all eligibility criteria more than 12 weeks from the onset of their acute Covid-19 symptoms or positive PCR/antigen test. * Documented history of SARS-CoV-2 infection (positive PCR/antigen test during acute illness OR clinical diagnosis by physician during or after the acute illness). * Subjective cognitive complaints as detected by the Perceived Deficits Questionnaire (PDQ)-5. * Ability to provide written informed consent. * Resident of Canada. Exclusion Criteria * Current symptoms are fully explained by major depressive disorder or bipolar disorder. * Pre-existing conditions that may cause cognitive impairment, or symptoms similar to those seen in post-COVID-19 condition (e.g., major neurocognitive disorder, schizophrenia, c…