Werner, Anika, Maren-Jo Kater, Angelika A. Schlarb, and Arnold Lohaus. “COVID-19-Pandemie-Stress-Skala (CPSS).” PsyArXiv, January 14, 2021. https://doi.org/10.31234/osf.io/4gduz.

Grundmann, Felix, Kai Epstude, and Susanne Scheibe. ‘Face Masks Reduce Emotion-Recognition Accuracy and Perceived Closeness’. PsyArXiv, 9 October 2020. https://doi.org/10.31234/osf.io/xpzs3.

Herd immunity and COVID-19 (coronavirus): What you need to know. (n.d.). Mayo Clinic. Retrieved September 18, 2020, from https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/herd-immunity-and-coronavirus/art-20486808

correspondent, Hannah Devlin Science. ‘What Kind of Face Mask Best Protects against Coronavirus?’ The Guardian, 18 August 2020, sec. World news. https://www.theguardian.com/world/2020/aug/18/what-kind-of-face-mask-best-protects-against-coronavirus-covid-19.

6 feet may not always be enough distance to protect from COVID-19. (n.d.). NBC News. Retrieved August 28, 2020, from https://www.nbcnews.com/health/health-news/6-feet-may-not-always-be-enough-distance-protect-covid-n1238083

Inc, T. (n.d.). Independent SAGE @IndependentSage. Periscope. Retrieved July 17, 2020, from https://www.pscp.tv/IndependentSage/1lPKqLWLBeYxb

Capraro, V., & Barcelo, H. (2020). Priming reasoning increases intentions to wear a face covering to slow down COVID-19 transmission [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/wtcqy

editor, R. M. D. political. (2020, June 4). Face coverings to be made compulsory on public transport in England. The Guardian. https://www.theguardian.com/world/2020/jun/04/face-masks-to-be-made-compulsory-on-public-transport-in-england

Face coverings to be mandatory on public transport. (2020, June 4). BBC News. https://www.bbc.com/news/uk-52927089