KP.3.1.1 Variant RisingKP.3.1.1 Variant Risingeffectiveness and public health.New variant challenges vaccineMicrobiologyKP.3.1.1 Variant: New Challenges in COVID-19The KP.3.1.1 variant shows increased spread and infectivity.2025-08-24T02:08:31+00:00 ― 3 min read