,22 Notably, extensive comparisons of post-infection BcR IG repertoire profiles between symptomatic versus asymptomatic cases, hospitalized versus non-hospitalized individuals, and post-vaccination BcR IG repertoires between individuals vaccinated with different vaccine types (Pfizer-BioNTech vs. Oxford-AstraZeneca), did not reveal any statistically significant differences (data not shown). Here, BCR is linked to infection.