The novel coronavirus disease (COVID‐19) outbreak that emerged at the end of 2019 has
now swept the world for more than 2 years, causing immeasurable damage to the lives and …

Summary Background Hong Kong contained COVID-19 for two years but experienced a
large epidemic of Omicron BA. 2 in early 2022 and endemic transmission of Omicron …

Viral and host factors can shape SARS-CoV-2 evolution. However, little is known about
lineage-specific and vaccination-specific mutations that occur within individuals. Here, we …

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 outbreak occurred in a dense …

Many locations around the world have used real-time estimates of the time-varying effective
reproductive number (R t) of COVID-19 to provide evidence of transmission intensity to …

Since the onset of the COVID-19 pandemic, a variety of diagnostic approaches, including RT-
qPCR, RAPID, and LFA, have been adopted, with RT-qPCR emerging as the gold standard …

Phylodynamics is central to understanding infectious disease dynamics through the
integration of genomic and epidemiological data. Despite advancements, including the …

Objectives Vaccination is considered to be an important public health strategy for controlling
the COVID-19 pandemic. Besides subjective evaluations of the vaccine and the health …

Is COVID-19 also potentially eradicable? Or is it inevitably endemic having established itself
across the world? Commentators have focused on the challenges of reaching population …

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 coincided with early reports of …