Some nations have stalled their rollout pending investigation, but health officials have cemented their faith in the jab.
The European Medicines Agency (EMA) has twice stated the vaccine is safe for consumption.
AstraZeneca and the Medicines and Healthcare products Regulatory Agency (MHRA), which approves vaccines in the UK, have joined them.
The World Health Organisation (WHO) has become the latest to issue a statement.
Officials said the benefits of the jab outweigh any potential risks.