Table 1 Characteristic of convalescent individuals’ samples.

From: Neutralization capacity of antibodies elicited through homologous or heterologous infection or vaccination against SARS-CoV-2 VOCs

Infecting virus

Number patient

Gender

Age,

DPP/DPOS

Sample type

Infection period

(M/F)

mean

pre-VOCs

34a

20/14

31

32 (25–37)**

Serum, plasma

March–June 2020

Alpha

12

8/4

51

27 (8–42)

Serum

December 2020–February 2021

Beta

8

2/6

42

50 (3–98)

Serum

January–May 2021

Gamma

10

4/6

44

54 (7–137)

Serum

January–April 2021

Delta

10

4/6

42

71 (9–118)

Serum

May–July 2021

  1. DPP days post PCR diagnosis, DPOS days post symptom onset (marked with **).
  2. a8/34 pre-VOC convalescent specimens here were available as anonymized left-over plasma specimens from apheresis collection of plasma (all collected in 2020), under the general informed consent of the University Hospitals of Geneva. Although specimens are anonymized, according to national regulations plasma from a female donor is forbidden, therefore we know that subjects were only adult men. Furthermore, according to national regulations (“Spendezulassung B-CH SRK Nr. 07-21”) donors must be asymptomatic for at least 28 days. Mean age and mean DPP/DPOS are given only for the 26/34 specimens for which patient data were available.
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