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. 2024 Oct 27;9:201. doi: 10.1038/s41541-024-00999-6

Fig. 1. Live virus neutralizing antibody titers against WA1, BA.1, BA.5, BQ.1.1, and XBB.1.5 after monovalent or bivalent mRNA booster vaccination in patients with MM.

Fig. 1

A Comparative response of samples collected from MM patients after monovalent booster immunizations. Black lines, patients without evidence of natural exposure to SARS-CoV-2. Red lines, patients with natural exposure to SARS-CoV-2 by confirmation of positive anti-nucleocapsid binding antibodies. Dark black and dark red lines represent the geometric mean titers (GMT). The focus reduction neutralization test (FRNT50 [the reciprocal dilution of serum that neutralizes 50% of the input virus]) geometric mean titer (GMT) of neutralizing antibodies against the WA1 strain, and each Omicron subvariants is shown at the top of the panel, GMT values in black unexposed patients, GMT values in red patients exposed to SARS-CoV-2 infections. B Time course of FRNT titers against WA1 in patients that received monovalent immunization and were unexposed (gray symbols) or exposed (red symbols) to SARS-CoV-2. C Percentage of responders against individual variants tested, among unexposed (gray bars) or exposed (red bars) to SARS-CoV-2 that received monovalent booster immunization. D Comparative response of samples collected from MM patients after bivalent booster immunizations. Black lines, patients without evidence of natural exposure to SARS-CoV-2. Red lines, patients with natural exposure to SARS-CoV-2 by confirmation of positive anti-nucleocapsid binding antibodies. Dark black and dark red lines represent the GMT of neutralizing antibodies against the virus tested. GMT of neutralizing antibodies is shown at the top of the panel, with GMT values in black unexposed patients and GMT values in red patients exposed to SARS-CoV-2 infections. E Time course of FRNT titers against WA1 in patients that received bivalent immunization and were unexposed (gray symbols) or exposed (red symbols) to SARS-CoV-2. F Percentage of responders against individual variant tested, among unexposed (gray bars) or exposed (red bars) to SARS-CoV-2 that received bivalent booster immunization.