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10.3390/life11111269 78 VidoviA.VilibiM.SabioncelloA.GotovacK.RabatiS.Folnegovi-malcV.et al (2009)

Inconclusive results may mean the person needs to repeat the test.

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reported 100 and 94% seropositivity rates for anti-RBD IgG and IgM, respectively, identifying strong humoral responses against the RBD of the SARS-CoV-2 S-protein [43]

This decrease in production can be due to a number of factors, including a decrease in the activity of enzymes needed for glutathione production, a decline in the level of nutrients needed for glutathione production, and damage to cells and tissues that impairs their ability to produce glutathione