Seroprevalence of anti-SARS-CoV-2 IgG antibodies: relationship with COVID-19 diagnosis, symptoms, smoking, and method of transmission.

With regard to the association between more common symptoms and common diseases included in the questionnaire and a positive COVID-19 diagnosis ( Figure 2 a) and the presence of IgG antibodies ( Figure 2 b), the association between loss of smell/taste and COVID-19 diagnosis was again extremely significant.

also in 7,787 other papers