Estimating Transmission Parameters for COVID-19 Clusters by Using Symptom Onset Data, Singapore, January–April 2020

Abstract

We estimated the generation interval distribution for coronavirus disease on the basis of serial intervals of observed infector–infectee pairs from established clusters in Singapore. The short mean generation interval and consequent high prevalence of presymptomatic transmission requires public health control measures to be responsive to these characteristics of the epidemic.

Keywords

• COVID-19
• coronavirus disease
• SARS-CoV-2
• severe acute respiratory syndrome coronavirus 2
• viruses
• respiratory infections