TABLE 2.

SARS-CoV-2 specific RNA and binding and neutralizing antibodies in plasma from all studied patients.

		Antibody reactivity (AU)*
ID	RT-PCR	IgG*	IgA*	IgM*	Neutralization
		S1 – S2 – NP – S	S1 – S2 – NP	S1 – S2 – NP	IC50**
Pat.#1	Positive	4.6 – 4.8 – 6.3 – <12	6.4 – 3.7 – 2	3.4 – 4.5 – 4.3	<60
Pat.#2	Negative	31 – 16 – 34 –>15	40.5 – 21 – 29.5	20 – 7.3 – 17	8100
Controls/16 Male	Positive	23.2 – 14 – 20.5 – ND***	28.6 – 12.8 – 18.2	17.5 – 5.6 – 18.2	850 (range <60–6800)
Controls/12 Female	Positive	20.6 – 15.2 – 22 – ND***	26.3 – 11 – 20.8	16.3 – 4.8 – 16.9	1160 (range <60–10622)

*AU stands for Arbitrary Unit. It has been calculated following the formula: median OD sample x10/cut off value. **IC50 stands for dilution of sera inhibiting 50% of infection. ***ND stands for not determined.