Hong Kong experienced a surge of Omicron BA.2 infections in early 2022, resulting in one of the highest per-capita death rates of COVID-19. The outbre...Read more

Superspreading, or overdispersion in transmission, is a feature of SARS-CoV-2 transmission which results in surging epidemics and large clusters of in...Read more

Transmission heterogeneity is a notable feature of the severe acute respiratory syndrome (SARS) and coronavirus disease 2019 (COVID-19) epidemics, tho...Read more

Hong Kong utilized an elimination strategy with intermittent use of public health and social measures and increasingly stringent travel regulations to...Read more

Background: A large cluster of 59 cases were linked to a single flight with 146 passengers from New Delhi to Hong Kong in April 2021. This outbreak co...Read more

Background: In December 2019, we ran Pacific Eclipse, a pandemic tabletop exercise using smallpox originating in Fiji as a case study. Pacific Eclipse...Read more

Many locations around the world have used real-time estimates of the time-varying effective reproductive number (Rt) of COVID-19 to provide evidence o...Read more

The existing surveillance approaches and contact tracing identified around three quarters of coronavirus disease 2019 (COVID-19) cases during the thir...Read more

Background: The time-varying reproduction number, Rt, is commonly used to monitor the transmissibility of an infectious disease during an epidemic, bu...Read more

Superspreading events (SSEs) have characterised previous epidemics of severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respira...Read more

Superspreading in transmission is a feature of SARS-CoV-2 transmission. We conducted a systematic review and meta-analysis on globally reported disper...Read more

Hong Kong employed a strategy of intermittent public health and social measures alongside increasingly stringent travel regulations to eliminate domes...Read more

Heterogeneous transmission (aka superspreading) is a notable feature of the severe acute respiratory syndrome (SARS) and coronavirus disease 2019 (COV...Read more

China experienced a resurgence of seasonal influenza activity throughout 2021 despite intermittent control measures and prolonged international border...Read more

Serial intervals represent the time delay between illness onset in successive cases in chains of transmission. The serial interval distribution is oft...Read more