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In February 2020, the World Health Organization announced an ‘infodemic’—a deluge of both accurate and inaccurate health information—that accompanied the global pandemic of COVID-19 as a major challenge to effective health communication. We assessed content from the most active vaccine accounts on Twitter to understand how existing online communities contributed to the ‘infodemic’ during the early stages of the pandemic.

We follow the trajectory of the unverified story about the adverse effects of using Ibuprofen for treating the Coronavirus disease 2019 (COVID-19) on Twitter, across five European countries. Our findings suggest that the impact of misinformation1We use the term misinformation to refer to false or inaccurate information that is shared accidentally.

We investigate the relationship between media consumption, misinformation, and important attitudes and behaviours during the coronavirus disease 2019 (COVID-19) pandemic. We find that comparatively more misinformation circulates on Twitter, while news media tends to reinforce public health recommendations like social distancing. We find that exposure to social media is associated with misperceptions regarding basic facts about COVID-19 while the inverse is true for news media.

The extraordinary spread of misinformation during the COVID-19 pandemic is impressive. And, to public health professionals like us, it’s worrying: We know that good information and good health go hand in hand. Knowing what we do about the practice of public health and what the science tells us about how people fall for misinformation, we see promising strategies for intervention in our own field.

This study indicates that, during the first phase of the coronavirus (SARS-CoV-2) pandemic in 2020, citizens from the US, UK, Netherlands, and Germany experienced relatively high levels of mis- and disinformation in their general information environment. We asked respondents to indicate the extent to which they experienced that information on coronavirus (SARS-CoV-2 and the disease it causes, COVID-19) was simply inaccurate (misinformation) or intentionally misleading (disinformation).

As misinformation and disinformation spread more rapidly and widely than ever before, individuals have been encouraged to be critical consumers of all received information. At the heart of this point of contention is the question of where responsibility and fault should lie.

Identifying emerging health misinformation is a challenge because its manner and type are often unknown. However, many social media users correct misinformation when they encounter it. From this intuition, we implemented a strategy that detects emerging health misinformation by tracking replies that seem to provide accurate information.

Special Issue on COVID-19 & Misinfodemics, Guest-Editors’ Editorial.

By Meghan McGinty

Department of Environmental & Occupational Health Sciences, University of Washington, USA

Nat Gyenes

Berkman Klein Center for Internet and Society, Harvard University, USA

Image by Brian McGowan on UNSPLASH

On January 7th, 2020, Chinese authorities identified a new type of coronavirus, which was subsequently named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).1https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200121-sitrep-1-2019-ncov.pdf?sfvrsn=20a99c10_4

This paper discusses patterns of public health misinformation observed during infectious disease epidemics. Specifically, we group epidemic-related misinformation into four categories: transmission, prevention, treatment, and vaccination. By developing tools, algorithms, and other resources around these categories, institutions, companies, and individuals can proactively limit and counter the spread of misinformation and its potential negative health effects.