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1 Defining Moments

      It all happened very quickly. After some mildly worrying small-print news in January 2020, about a new virus in a Wuhan sea-food market in China, by February, news that the “novel coronavirus” was spreading quickly around the world became headlines. There was the predictable scramble to stock up on toilet paper, and less predictable advice to sanitize groceries. In March, a steel fence was erected round the climbing frame and swing sets in our local park, making it look like a crime scene, and masks started to appear on the faces of passers-by in the street. Not long afterwards, smartphones were sought for pandemic service and I also found myself being called up for conversations about the use of personal data for public health platforms, so that the pandemic’s path could be followed, and future developments modeled and predicted.

In the same month, news media started commenting on the sudden burgeoning of surveillance. Its main feature at that time was the rollout of the first digital contact tracing systems, using smartphones to identify contacts who may have been exposed to the virus. By April, tech giants Google and Apple had joined forces to support Bluetooth-based apps, a signal that platforms and governments were collaborating in such surveillance. Cautions about “false positives” and the need for accompanying testing and treatment facilities, plus fears regarding privacy intrusion, discrimination and marginalization were downplayed by those confident in the capacities of the silver bullet.

      Surveillance was also sought for documenting where people are, where they’d been and their health status; data-modeling to track the spread of COVID-19; as well as identifying people who, potentially, had been exposed to infected others. Warnings were issued that there may well be civil liberties consequences as everyday technologies used for commerce, communication and convenience were marshaled for keeping close tabs on everyone, in the name of controlling the contagion. What is built for today may be normalized, worried some, such that they would persist after the virus is contained.

      Now, the idea of using surveillance to get to grips with an outbreak of disease has a long history. Some salute John Snow, a London doctor who tried to discover the cause of the 1854 cholera epidemic, as a pioneer data scientist. At that time, a ‘miasma’ theory reigned, suggesting that bad air was to blame. A few years before, Snow had a new hypothesis that the “blue death” could be caused by cesspools, lack of sanitation and contaminated water in poor neighborhoods.

Scorned at the time, when the cholera came, Snow knocked on doors, inquiring about the source of each family’s drinking water. The collected data pointed to a specific pump on Broad Street, Soho. This was confirmed by Reverend Henry Whitehead, initially skeptical of the polluted water idea, who checked further to see who had and had not used that pump. The pair removed the handle, effectively shutting off the water supply, and the cholera cases quickly dwindled.¹ The conviction that such data collection from infected people could aid the task of getting a grip on the germ is basic to epidemiology, a key discipline in public health.

What is “pandemic surveillance?”

This book is about pandemic surveillance. So, what is meant by each of these terms, and the two together? As it happens, each part of the word-duo is hard to define and is understood differently by different experts. The first term is “pandemic,” generally referring to the widespread incidence of disease affecting “all” (pan) “people” (demos) and in use – as “pandemick” – since the 1660s. The fourteenth-century Black Death killed more than 100 million people in Asia and Europe – estimates vary – and the misnamed “Spanish Flu” (it did not originate in Spain) of 1918–20 infected half a billion and killed tens of millions. With improved transportation by railways and steamships, and the movement of troops after the First World War, the flu spread over a wider world. The COVID-19 pandemic is often qualified by the word “global,” signaling that, with air transport, cruise ships and complex long-distance haulage, few around the globe are untouched.

      But what makes COVID-19 or any other disease a “pandemic?” Is it, for example, its explosive transmissibility, or the severity of infection, or both, perhaps with other features as well? Medical experts disagree and debate this. After the outbreak of the H1N1 influenza virus in 2009, an article in the Journal of Infectious Diseases debated various options, concluding that “simply defining a pandemic as a large epidemic may make ultimate sense in terms of comprehensibility and consistency.”² Yet the same article makes many points about how pandemics relate to other factors such as urban population size, modes and ease of transportation, the state of medical knowledge, the actions of public health officials and the role of disease in domesticated animals. These point clearly toward social, technical, economic and political aspects of pandemics.

      Indeed, one factor that connects “pandemic” with “surveillance” is that pandemics, however widely distributed, are far from evenly distributed. Even a nuanced reading of the Greek word demos hints at this, suggesting a social division between elites and the “common people” or “the crowd.” While in the early 2020s no one in the world is untouched by the pandemic, at least as a social condition, people are affected with differing degrees of severity, often relating to social class, gender, race and other decidedly social factors. This became more marked as surveillance “solutions” appeared.

So, what is meant by “surveillance?” According to the World Health Organization (WHO), surveillance in relation to public health is the “ongoing, systematic collection, analysis and interpretation of health-related data essential to the planning, implementation and evaluation of public health practice.”³ It is undertaken to inform disease prevention and control measures. Understood this way, it has clear human benefit and should thus be a priority among the available tools for confronting a pandemic, especially a global one. As we shall see, however, the WHO also notes the social and other dimensions of such surveillance, and warns that surveillance tools are not neutral and may be used in ways that challenge other priorities such as human rights and civil liberties.

      More generally, we may think of surveillance as any purposeful, focused, systematic and routine observation and attention to personal details. Those “personal details” are sought, today, in digital data, made available in multiple formats that can snowball in some contexts. For instance, the data for contact tracing depends on location-tracking possibilities embedded in the smartphone. If, say, police obtain access to the public health data, as has occurred in several places, including Singapore, the same data could be used for crime investigations as well as contagion control.

In the case of public health surveillance, then, the purposes are those mentioned by the WHO: disease prevention and control. Inevitably, this also includes control of people – who and where they are, who they are with and how close, physically. Another way of thinking about this is to say that surveillance occurs to make people visible in specific ways, then to represent them in those ways so that they can be treated appropriately for whatever purposes the surveillor has in mind. Thus, what sorts of data are collected, how they are analyzed, and what assessments and judgments are made from them are matters of moment – especially as the data is so sensitive, touching on matters of health and the body.

      Public health data, then, might make people visible in terms of their relative ages – elderly people are generally more likely to become seriously ill or die

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