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Two case reports of COVID-19: A 6-year-old boy and his 66-year-old grandmother


 Background: Currently, COVID-19 is a global pandemic disease that has caused a large number of infections worldwide. Reports of COVID-19 cases are not uncommon, but there is no report that SAMS-CoV-2 RNA test results for grandma and grandchildren in family aggregation infections are completely different.Case presentation: A 6-year-old boy's chest CT indicated lung infection, but SAMS-CoV-2 RNA test was negative. His grandmother's imaging showed lung inflammation absorption, and nucleic acid test was positive. Conclusions: Children and the elderly people have different clinical manifestations during the course of SAMS-CoV-2 infection, it is challenging to identify whether they are infectious. Therefore, the diagnosis of COVID-19 requires a combination of multiple detection measures, including clinical features, imaging features, and SAMS-CoV-2 RNA test results.Keywords: COVID-19; SAMS-CoV-2 RNA test; Imaging diagnosis; Case report