SARS CoV 2 depends on an essential principle to proliferate, which is mTORC1 pathway an opportunistic excessive pathway the highly contagious. that inhibit lymphocytes that lead to reducing production of antibodies that clarify why relapse occurred. Despite the lymphopenia but in children can get rid of it, because they depend on anabolic action that stimulating lymphocytes production as well as inhibit proliferation of SARS CoV 2

https://www.researchgate.net/project/Azithromycin-promising-medicine-for-COVID-19-in-early-stage-by-effecting-on-mTOR-and-immune-system?_sg=GH6IR9gruAFBsC-UE_QMKyHgXdPr2wdqgOKWcKjHyJtL-sZGJ46ujXiwg8f83AqIy8Cjy3WD5PBMTKJm41phuwCy-V2C0JYrhg_H

10.99% of tested patients were detected SARS-CoV-2 RNA turned positive.

the link of the manuscript: https://www.researchsquare.com/article/rs-22829/v1

SARS-CoV-2 can be detected in the air up to 4 meters from COVID-19 patients

A recent study from Wuhan China indicates that SARS-CoV-2 virus is widely distributed on floors, computer mice, trash cans, and sickbed handrails and can be detected in air ≈4 meters from COVID-19 patients.

https://wwwnc.cdc.gov/eid/article/26/7/20-0885_article

SARS-CoV-2 can be detected in the air up to 4 meters from COVID-19 patients

A recent study from Wuhan China indicates that SARS-CoV-2 virus is widely distributed on floors, computer mice, trash cans, and sickbed handrails and can be detected in air ≈4 meters from COVID-19 patients.

https://wwwnc.cdc.gov/eid/article/26/7/20-0885_article

Recently the cases described have increased. But no one had ever shown that children were immune.