1. WHO. Coronavirus disease 2019 (COVID-19) situation report–127. May 26, 2020.
https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200526-covid-19-sitrep-127.pdf?sfvrsn=7b6655ab_8
Accessed 27 May 2020.
2. Peeri NC, Shrestha N, Rahman MS, Zaki R, Tan Z, Bibi S, Baghbanzadeh M, Aghamohammadi N, Zhang W, Haque U. The SARS, MERS and novel coronavirus (COVID-19) epidemics, the newest and biggest global health threats: what lessons have we learned. Int J Epidemiol. 2020.
https://doi.org/10.1093/ije/dyaa033
.
3. https://data.worldbank.org/indicator/SP.DYN.TFRT.IN
Accessed 27 May 2020.
4. Central Intelligence Agency. The World Factbook.
https://www.cia.gov/library/publications/the-world-factbook/fields/377.html
Accessed 27 May 2020.
5. https://en.wikipedia.org/wiki/Template:COVID-19_pandemic_data
Accessed 27 May 2020.