TABLE 1.

Infection status of the individuals and the severity of the disease of the positive ones

Serum sample number	Status	Severity of symptoms
1	Positive	−
2	Positive	++
3	Positive	+++/ICU
4	Positive	+++/ICU
5	Positive	+++/ICU
6	Positive	+++/ICU
7	Positive	+++/ICU
8	Positive	+++/Death
9	Positive	+++/ICU
10	Positive	+
11	Positive	+
12	Positive	+
13	Negative	−
14	Negative	−
15	Negative	−
16	Negative	−
17	Negative	−
18	Negative	−
19	Negative	−
20	Negative	−
21	Negative	−
22	Negative	−
23	Negative	−
24	Negative	−