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Volume 29, Number 4—April 2023
Dispatch

Two-Year Cohort Study of SARS-CoV-2, Verona, Italy, 2020‒2022

Zeno Bisoffi1Comments to Author , Nicoletta De Santis1, Chiara Piubelli, Michela Deiana, Francesca Perandin, Pietro Girardi, Luca Heller, Natalia Alba, Carlo Pomari2, and Massimo Guerriero2
Author affiliations: Istituto di Ricovero e Cura a Carattere Scientifico Sacro Cuore Don Calabria Hospital, Verona, Italy (Z. Bisoffi, N. De Santis, C. Piubelli, M. Deiana, F. Perandin, C. Pomari, M. Guerriero); AULDSS 9 Scaliger Regione del Veneto, Verona (P. Girardi, L. Heller, N. Alba)

Main Article

Table

Comparison of antibody test results in 2 field surveys for SARS-CoV-2, Verona, Italy, May 2020 and November 2021

Characteristic
 2021
Negative, no. (%)
 Positive, no. (%)
 Total, no. (%)
 p value
IgG against nucleocapsid
2020 <0.0001
Negative, no. (%) 720 (83.4) 143 (16.6) 863 (100.00)
Positive, no. (%) 17 (50.0) 17 (50.0) 34 (100.0)
Total, no.(%)
 737 (82.2)
 160 (17.8)
 897 (100.0)
IgG against spike protein
2020
Negative, no. (%) 65 (7.6) 796 (92.4) 861 (100.0)
Positive, no. (%) 0 (0) 35 (100.0) 35 (100.0) 0.170*
Total, no. (%) 65 (7.3) 831 (92.7) 896 (100.0)

*By Fisher exact test.

Main Article

1These first authors contributed equally to this article.

2These senior authors contributed equally to this article.

Page created: January 19, 2023
Page updated: March 21, 2023
Page reviewed: March 21, 2023
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