@KA9ha the ones who made the product are giving an unbiased opinion, they definitely are not marketing. where's everyone's curiosity in conflicts of interest gone?
@Khenpal1 kindly see link:::: Oxford AstraZeneca vaccine may provide ‘protection for life’, finds new UK study https://www.dnaindia.com/health/report-oxford-astrazeneca-vaccine-covishield-may-provide-protection-for-life-finds-new-uk-study-adenovirus-covid-19-2900920