Table 1.

Inclusion and exclusion criteria.

Inclusion Criteria	Exclusion Criteria
➢research into the long-term health effects of COVID-19 ➢research on the specific effects of COVID-19 on human organs ➢tests on people over 18 years of age ➢English language ➢Research from the years: 2019–2021	➢research covering hospitalization, symptoms and short-term effects ➢people under 18 years of age ➢tests on the deceased ➢research not on the effects of COVID-19, just symptoms, treatment ➢the effects of the pandemic as a lockdown, isolation ➢animal research