A perspective on real-time epidemic surveillance for Covid-19

covid infection

Effective, real-time surveillance is key to the management of the Covid-19 pandemic. In what follows, we first set out a set of principles that may usefully guide real-time surveillance systems for emerging infectious diseases and discuss these in the context of Covid-19. We then briefly review a range of potential sources of data and describe in broad terms strategies for study design and data analysis.

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Off the “radar”? Here are some alternatives


Radar charts, also called web charts, spider charts or star charts, are often used to display various characteristics of a profile simultaneously. Whether it presents a tennis player’s statistics or a client’s preferences, the main outcome of a radar chart is a simple polygon, commonly known as a shape. This shape has specificities: it covers a surface, has sides of various lengths, has many different angles, is often colored, etc. The singularity of this shape is sure to help catch readers’ often limited attention. Before long, they are intrigued, trying to interpret the meaning of this geometric form.

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Leicester makes history in testing times

weather vane

Leicester made demographic history as the first city in England where the Black, Asian and Minority Ethnic (BAME) community is the majority. And it is making history as the first city in England to re-enter lockdown after a surge in persons testing positive for SARS-CoV-2. Can Leicester turn this reversal into a triumph for local public health by rigorously documenting its SARS-CoV-2 transmission networks, and by using investigatory scientific methods to make new discoveries about asymptomatic infections and infectiousness? These are testing times.

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