Without a cure, vaccine, or proven long-term immunity against SARS-CoV-2, test-trace-and-
isolate (TTI) strategies present a promising tool to contain its spread. For any TTI strategy …

Background Making testing available to everyone and tracing contacts might be the gold
standard to control COVID-19. Many countries including the United Kingdom have relied on …

Background: Understanding changes in infectiousness during SARS-COV-2 infections is
critical to assess the effectiveness of public health measures such as contact tracing …

The traditional long-term solutions for epidemic control involve eradication or population
immunity. Here, we analytically derive the existence of a third viable solution: a stable …

The dynamics of immunity are crucial to understanding the long-term patterns of the SARS-
CoV-2 pandemic. Several cases of reinfection with SARS-CoV-2 have been documented 48 …

Following the COVID-19 outbreak, swabs for biological specimen collection were thrust to
the forefront of healthcare materials. Swab sample collection and recovery are vital for …

COVID-19 in the UK has been characterised by periods of exponential growth and decline,
as different non-pharmaceutical interventions (NPIs) are brought into play. During the early …

In the era of digital communication, collective problem solving is increasingly important.
Large groups can now resolve issues together in completely different ways, which has …

BACKGROUND AND OBJECTIVES: A new wave of Covid-19 pandemic has worsened the
epidemiological situation in Ukraine. This caused the need to tighten quarantine measures …

COVID-19 outbreak was declared a pandemic by the World Health Organization on March
11, 2020. To minimize casualties and the impact on the economy, various mitigation …