1. WHO Coronavirus (COVID-19) | WHO Coronavirus (COVID-19) Dashboard With Vaccination Data.
2. A review of coronavirus disease-2019 (COVID-19);Singhal;Indian J. Pediatr.,2020
3. COVID-19 in adult patients with pre-existing chronic cardiac, respiratory and metabolic disease: a critical literature review with clinical recommendations;Flaherty;Trop. Dis. Travel Med. Vacc.,2020
4. “Long COVID” syndrome;Taribagil;BMJ Case Rep.,2021
5. Overview | COVID-19 Rapid Guideline: Managing COVID-19 | Guidance | NICE.