Emerg Infect Dis. 2023 Apr;29(4):814-817. doi: 10.3201/eid2904.220854. Epub 2023 Mar 6.
We compared serial intervals and incubation periods for SARS-CoV-2 Omicron BA.1 and BA.2 subvariants and Delta variants in Singapore. Median incubation period was 3 days for BA.1 versus 4 days for Delta. Serial interval was 2 days for BA.1 and 3 days for BA.2 but 4 days for Delta.
我们比较了新加坡 SARS-CoV-2 奥密克戎 BA.1 和 BA.2 亚变种与德尔塔变种的序列间隔和潜伏期。BA.1 的中位潜伏期为 3 天,德尔塔为 4 天。BA.1 的序列间隔为 2 天,BA.2 为 3 天,但德尔塔为 4 天。