June 27, 2021 published at 9:00 AMWego A healthcare worker prepares a Pfizer coronavirus disease (Covid-19) vaccination in Los Angeles, California, US, on Jan 7, 2021. Reuters On one hand, the world inches closer to 100 per cent vaccination each passing day, while on the other, questions about the safety and efficacy of Covid vaccines are being raised. In such a climate, approvals from international health regulatory bodies like the WHO and EMA have become pivotal. Let’s take a closer look at which vaccines have been approved by the World Health Organisation and European Medical Agency so far. Significance of WHO and EMA-approved vaccine lists