Poll Anonymous Asked: 17 Jul 2021In: ကျန်းမာရေး WHO has evaluated that the following vaccines against COVID-19 have met the necessary criteria for safety and efficacy: Poll ResultsPlease login to vote and see the results. Participate in Poll, Choose Your Answer. AstraZeneca/Oxford vaccine Johnson and Johnson Moderna Pfizer/BionTech Sinopharm Sinovac Read less covidcovid-19vaccines