You can use the appropriate citation option from below to add a reference to this page.
"COVID-18." Fullformexpand.com, https://www.fullformexpand.com/covid-18/546318. Accessed 25 Nov. 2025.
Fullformexpand.com, 2025. "COVID-18." Accessed November 25, 2025. https://www.fullformexpand.com/covid-18/546318.
"COVID-18." (n.d.). Fullformexpand.com. Retrieved November 25, 2025, from https://www.fullformexpand.com/covid-18/546318.
COVID-18. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/covid-18/546318 (Accessed: 25 November 2025).