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Table 1. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor-binding domain antibodies detection according to time of sample collection in all regions.
Month Patients IgG+, n (%) IgM+, n (%) IgG+ and/or IgM+, n (%)
September 162 3 (1.9) 20 (12.4) 23 (14.2)
"Given the temporal delay between infection and antibody synthesis, these results indicate that the virus circulated in Italy "before Sep 2019.
The narrative that Covid came from WuHan bat soup" is BS