Serial Intervals and Incubation Periods of SARS-CoV-2 Omicron and Delta Variants, Singapore
Kangwei Zeng, Santhya Santhya, A. Soong, Nitika Malhotra, Dhanushanth Pushparajah, Koh Cheng Thoon, Benny Yeo, Zheng Jie Marc Ho, Mark Chen I Cheng
Abstract
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.
Topics & Concepts
Incubation periodIncubationDeltaSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)BiologyCoronavirus disease 2019 (COVID-19)MedicineInternal medicinePhysicsBiochemistryAstronomyDiseaseInfectious disease (medical specialty)COVID-19 epidemiological studiesSARS-CoV-2 and COVID-19 ResearchSARS-CoV-2 detection and testing