Conclusion:
Although more evidences are needed, our review showed no abnormality in pulmonary function test in follow-up of children with a SARS-CoV-2 infection history. Disease severity and asthma background had not confounded this outcome.
Limitation:
There are some limitations regarding present study: A) in spite of an attempt for a comprehensive search, it maybe that some eligible articles were missed. B) Eligible studies were observational and they were threatened with bias in different levels. It may affect the meta-results.