AI Insight
This is a correction notice for a previously published article by Astley et al. that examined the impact of the COVID-19 pandemic using online survey data collected from Facebook users globally. The original study utilized Facebook's user base as a sampling frame to monitor pandemic-related trends and behaviors across different populations. No details about the specific corrections are provided in this notice.
Why it matters
Corrections to large-scale epidemiological studies are important for ensuring data accuracy in public health research and policy decisions. This work represents efforts to monitor global health crises through social media platforms, though the need for correction indicates potential limitations in methodology or data analysis that required addressing.
Proceedings of the National Academy of Sciences, Volume 123, Issue 22, June 2026. <br/>