1. Ye X , Li S , Yang X , et al . The Fear of Ebola: A Tale of Two Cities in China. In: Shen Z , Li M , eds. Big data support of urban planning and management. advances in geographic information science. Cham: Springer, 2018: 113–32.
2. Ebola, Twitter, and misinformation: a dangerous combination?
3. World Health Organisation . Novel coronavirus (2019-nCoV) situation report – 13, 2020. Available: https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200202-sitrep-13-ncov-v3.pdf?sfvrsn=195f4010_6 [Accessed 14 Apr 2020].
4. Infocomm Media Development Authority, Singapore . Mobile penetration rate, 2019. Available: https://data.gov.sg/dataset/mobile-penetration-rate [Accessed 13 Apr 2020].
5. Steup M . 4 million Singaporeans say WhatsApp is their most-used APP, 2018. Available: https://www.messengerpeople.com/whatsapp-is-singaporeans-most-used-app/ [Accessed 13 Apr 2020].