Pfizer/BioNTech, Janssen (Johnson & Johnson), Sinovac, Covishield, CanSinoBIO, Covaxin, Moderna Spikevax, AstraZeneca, Novavax/Covovax, Nuvaxovid (Novavax), Sinopharm/BIBP are currently recognized and accepted by the national health authority of the country that includes Singapore.