COVID-19 vaccines are a key component in the world's fight against coronavirus. Various pharmaceutical companies have developed vaccines to save lives, but the results have varied. Here is a list of vaccines that are most used in the world along with the number of countries that are importing them. The figures are according to a New York Times report. (Image: AP)
No 8 | Covaxin | Also called BBV152, the vaccine is developed by Indian pharma major Bharat Biotech and the Indian Council of Medical Research approved its usage. Currently, India is the only country that using the vaccine. (Image: Reuters)
No 7 | Sinopharm | Developed by China’s Wuhan Institute of Biological Products, this COVID-19 vaccine is being imported by a couple of countries and in some, where China has donated them. (Image: Reuters)
No 6 | CoronaVac | Developed by Chinese biopharmaceutical company Sinovac, the vaccine is currently in use in six countries. (Image: Reuters)
No 5 | Sputnik V | Developed last year by Russia’s Gamaleya Research Institute of Epidemiology and Microbiology, the vaccine currently is being used in nine nations. (Image: AP Photo)
No 4 | BBIBP-CorV | Developed by Beijing Institute of Biological Products, Sinopharm, the vaccine currently is being supplied in 10 countries. (Image: Reuters)
No 3 | Moderna | Also called mRNA-1273, the vaccine is developed by the United States National Institute of Allergy and Infectious Diseases (NIAID), the Biomedical Advanced Research and Development Authority (BARDA), and pharma major Moderna. Administered in two 0.5 ml doses given by intramuscular injection -- administered four weeks apart -- the US vaccine is currently used by 27 countries. (Image: Reuters)
No 2 | Oxford–AstraZeneca | Developed by Oxford University and AstraZeneca it is being used in 41 nations including India. AstraZeneca joined hands with Serum Institute of India to manufacture and ship the vaccine across the globe. (Image: Reuters)
No 1 | Pfizer–BioNTech vaccine | Also known as Comirnaty, the vaccine is developed by BioNTech in cooperation with Pfizer. This was the first vaccine to have received authorisation for emergency and regular use. It is in currently being used in 61 countries. (Image: Reuters)