Indeed there are currently a few antibodies that are being used. The principal mass immunization program began toward the beginning of December 2020 and as of and starting at 15 February 2021, 175.3 million antibody dosages have been directed. At any rate 7 distinct antibodies (3 stages) have been regulated.
WHO gave an Emergency Use Listing (EULs) for the Pfizer COVID-19 antibody (BNT162b2) on 31 December 2020. On 15 February 2021, WHO gave EULs for two renditions of the AstraZeneca/Oxford COVID-19 immunization, fabricated by the Serum Institute of India and SKBio. WHO is on target to EUL other immunization items through June.
The items and progress in an administrative survey by WHO is given by WHO and refreshed routinely. The archive is given here.