1. Ajilore, K., Atakiti, I., & Onyenankeya, K. (2017). College students’ knowledge, attitudes and adherence to public service announcements on Ebola in Nigeria: Suggestions for improving future Ebola prevention education programmes. Health Education Journal, 76(6), 648-660.
2. Al-Hanawi, M. K., Angawi, K., Alshareef, N., Qattan, A. M. N., Helmy, H. Z., Abudawood, Y., . . . Alsharqi, O. (2020). Knowledge, Attitude and Practice Toward COVID-19 Among the Public in the Kingdom of Saudi Arabia: A Cross-Sectional Study. Frontiers in public health, 8, 217-217. doi: 10.3389/fpubh.2020.00217
3. Al-Mohrej, O. A., Al-Shirian, S. D., Al-Otaibi, S. K., Tamim, H. M., Masuadi, E. M., & Fakhoury, H. M. (2016). Is the Saudi public aware of Middle East respiratory syndrome? Journal of infection and public health, 9(3), 259-266.
4. Azlan, A. A., Hamzah, M. R., Sern, T. J., Ayub, S. H., & Mohamad, E. (2020). Public knowledge, attitudes and practices towards COVID-19: A cross-sectional study in Malaysia. PLOS ONE, 15(5), e0233668. doi: 10.1371/journal.pone.0233668
5. Bawazir, A., Al-Mazroo, E., Jradi, H., Ahmed, A., & Badri, M. (2018). MERS-CoV infection: Mind the public knowledge gap. Journal of infection and public health, 11(1), 89-93.
6. Berenguer, A., Goncalves, J., Hosio, S., Ferreira, D., Anagnostopoulos, T., & Kostakos, V. (2016). Are Smartphones Ubiquitous?: An in-depth survey of smartphone adoption by seniors. IEEE Consumer Electronics Magazine, 6(1), 104-110.
7. BERNAMA. (2020). It’s a national effort to fight fake news during COVID-19, MCO- Saifuddin. from https://www.kkmm.gov.my/index.php/en/public/latest-news/16816-bernama-11-april-2020-it-s-a-national-effort-to-fight-fake-news-during-covid-19-mco-saifuddin
8. Cavana, R., Delahaye, B., & Sekeran, U. (2001). Applied business research: Qualitative and quantitative methods: John Wiley & Sons.
9. Department of Statistics Malaysia. (2019). Population Projections (Revised), Malaysia, 2010-2040. from https://www.dosm.gov.my/v1/index.php?r=column/cthemeByCat&cat=118&bul_id=Y3kwU2tSNVFDOWp1YmtZYnhUeVBEdz09&menu_id=L0pheU43NWJwRWVSZklWdzQ4TlhUUT09
10. Fan, W., Su, Z., Bin, Y., Yan-Mei, C., Wen, W., Zhi-Gang, S., . . . Yuan-Yuan, P. (2020). Holmes Edward C., Zhang Yong-Zhen. A new coronavirus associated with human respiratory disease in China. Nature, 579(7798), 265-269.
11. From the Desk of the Director-General of Health Malaysia. (2020a). Kenyataan Akhbar KPK 21 Jun 2020 – Situasi Semasa Jangkitan Penyakit Coronavirus 2019 (COVID-19) di Malaysia.
12. From the Desk of the Director-General of Health Malaysia. (2020b). Kenyataan Akhbar YBMK 17 Mac 2020 – Situasi Semasa Jangkitan Penyakit Coronavirus 2019 (COVID-19) di Malaysia. from https://kpkesihatan.com/2020/03/17/kenyataan-akhbar-ybmk-17-mac-2020-situasi-semasa-jangkitan-penyakit-coronavirus-2019-covid-19-di-malaysia/
13. Guan, W.-j., Ni, Z.-y., Hu, Y., Liang, W.-h., Ou, C.-q., He, J.-x., . . . Zhong, N.-s. (2020). Clinical characteristics of 2019 novel coronavirus infection in China. medRxiv, 2020.2002.2006.20020974. doi: 10.1101/2020.02.06.20020974
14. Kebede, Y., Yitayih, Y., Birhanu, Z., Mekonen, S., & Ambelu, A. (2020). Knowledge, perceptions and preventive practices towards COVID-19 early in the outbreak among Jimma university medical center visitors, Southwest Ethiopia. PLOS ONE, 15(5), e0233744. doi: 10.1371/journal.pone.0233744
15. Kowal, P., & Dowd, J. E. (2001). Definition of an older person. Proposed working definition of an older person in Africa for the MDS Project World Health Organization. Geneva.
16. Li, J.-Y., You, Z., Wang, Q., Zhou, Z.-J., Qiu, Y., Luo, R., & Ge, X.-Y. (2020). The epidemic of 2019-novel-coronavirus (2019-nCoV) pneumonia and insights for emerging infectious diseases in the future. Microbes and Infection, 22(2), 80-85. doi: https://doi.org/10.1016/j.micinf.2020.02.002
17. Liu, K., Chen, Y., Lin, R., & Han, K. (2020). Clinical features of COVID-19 in elderly patients: A comparison with young and middle-aged patients. Journal of Infection, 80(6), e14-e18. doi: https://doi.org/10.1016/j.jinf.2020.03.005
18. Parzi, M. N. (2020). Five more probed for spreading fake news on Covid-19. from https://www.nst.com.my/news/crime-courts/2020/03/577561/five-more-probed-spreading-fake-news-covid-19
19. Raosoft. (2020). Sample size calculator. from http://www.raosoft.com/samplesize.html
20. Reuters. (2020). Malaysia confirms first cases of coronavirus infection. from https://www.reuters.com/article/china-health-malaysia/malaysia-confirms-first-cases-of-coronavirus-infection-idUSL4N29U03A
21. Shah, A. U. M., Safri, S. N. A., Thevadas, R., Noordin, N. K., Abd Rahman, A., Sekawi, Z., . . . Sultan, M. T. H. (2020). COVID-19 Outbreak in Malaysia: Actions Taken by the Malaysian Government. International Journal of Infectious Diseases.
22. Tachfouti, N., Slama, K., Berraho, M., & Nejjari, C. (2012). The impact of knowledge and attitudes on adherence to tuberculosis treatment: a case-control study in a Moroccan region. Pan African Medical Journal, 12(1).
23. Wong, L. P., & Sam, I.-C. (2011). Knowledge and attitudes in regard to pandemic influenza A (H1N1) in a multiethnic community of Malaysia. International Journal of Behavioral Medicine, 18(2), 112-121.
24. World Health Organization. (2020a). Q&A: Older people and COVID-19.
25. World Health Organization. (2020b). WHO Coronavirus Disease (COVID-19) Dashboard. from https://covid19.who.int/
26. Zhong, B.-L., Luo, W., Li, H.-M., Zhang, Q.-Q., Liu, X.-G., Li, W.-T., & Li, Y. (2020). Knowledge, attitudes, and practices towards COVID-19 among Chinese residents during the rapid rise period of the COVID-19 outbreak: a quick online cross-sectional survey. International journal of biological sciences, 16(10), 1745.