1. World Health Organization, Statement on the second meeting of the International Health Regulations (2005) Emergency committee regarding the outbreak of novel coronavirus (2019-nCoV), World Health Organization. 2020 [cited 2022 Sep 26]
2. Available from: https://www.who.int/news/item/30-01-2020-statement-on-the-second-meeting-of-the-international-health-regulations-(2005)-emergency-committee-regarding-the-outbreak-of-novel-coronavirus-(2019-ncov)
3. Effective public health measures to mitigate the spread of COVID-19: a systematic review;Ayouni;BMC Public Health,2021
4. Improved strategies to counter the COVID-19 pandemic: Lockdowns vs. primary and community healthcare;Farsalinos;Toxicol Rep.,2021
5. Sri Lanka strategic preparedness & response plan 2021-ministry of health;Sri Lanka,2021