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HCoV-OC43 can be effectively inactivated by GUV exposure. (A) TCID50 assay after UV treatment of HCoV-OC43–contaminated coupons. (B) qRT-PCR analyses of HCoV-OC43 after UV treatment using RdRp or N gene-specific primers. Data are representative of 3 independent experiments with three technical replicates per experiment (n = 9). Error bars represent SD. Statistical significance was determined using an unpaired t test.
