FUZ and Kallmann syndrome: Increases in NTD, RBD1, RBD2, and ST4 titers were observed in post-vaccinated participant samples compared to pre-vaccinated participant samples, regardless of the presence or absence of previously reported anosmia and ageusia (Fig 4A), cough (Fig 4B), or fever (Fig 4C) presented during the initial SARS-CoV-2 infection.