Fig. 3
From: Mass production of IgY-containing tablets for COVID-19 transmission control

In vitro virus neutralization on the small-scale IgY production. Plaque formation was quantified in Vero cell cultures infected with the SARS-CoV-2 alpha variant and co-cultured with different dilutions of anti-SARS-CoV-2 IgY collected at different time points post immunization.