Low Levels of Neutralizing Antibodies Against SARS-CoV-2 KP.3.1.1 and XEC in Serum From Seniors in May 2024
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New immune evasive variants of SARS-CoV-2 may increase infections and hospitalizations in risk groups, such as the elderly. In this study, we evaluated neutralizing antibodies against KP.3.1.1 and XEC, virus variants that were either widely distributed or on t... ...
