1. Coronavirus Disease 2019 (COVID-19): Situation Report — 72 (World Health Organization, 2020).
2. Rapid risk assessment: coronavirus disease 2019 (COVID-19) in the EU/EEA and the UK – eighth update. ECDC https://www.ecdc.europa.eu/en/publications-data/rapid-risk-assessment-coronavirus-disease-2019-covid-19-pandemic-eighth-update (2020).
3. Asimov, I. in Machines That Think: The Best Science Fiction Stories About Robots and Computers (eds. Asimov, I. & Greenberg., P. S. W. and M. H.) Ch. 1 (Holt, Rinehart, and Winston, 1984).
4. Aymerich-Franch, L., Kishore, S. & Slater, M. Int. J. Soc. Robot. 12, 217–226 (2020).
5. Coronavirus-fighting robots and drones. Reuters https://www.reuters.com/news/picture/coronavirus-fighting-robots-and-drones-idUSRTX7HZF6 (2020).