In a multi-state telephone survey of symptomatic adults who had a positive outpatient test result for SARS-CoV-2 infection, 35% had not returned to their usual state of health when interviewed 2–3 weeks after testing. Among persons aged 18–34 years with no chronic medical conditions, one in five had not returned to their usual state of health.
Citation: Tenforde MW, Kim SS, Lindsell CJ, et al. Symptom Duration and Risk Factors for Delayed Return to Usual Health Among Outpatients with COVID-19 in a Multistate Health Care Systems Network — United States, March–June 2020. MMWR Morb Mortal Wkly Rep 2020;69:993-998. DOI: http://dx.doi.org/10.15585/mmwr.mm6930e1external icon.
The assumption is that people who are suffering from lingering effects of Covid-19 infection will eventually recover completely.
lifeunderwriter.net 
I certainly hope that assumption turns out to be true!
You, me, and a whole bunch of others hope so too.