
Short Shelf-life of Donated Covid Vaccines Raises Hackles
With Covid-19 vaccine distribution in poor countries showing no signs of improvement, Anglo-Swedish drugmaker AstraZeneca and the Covax vaccine sharing program have come fire. The relatively short shelf-life of the pharma group’s viral vector-based shot Vaxzevria in particular is complicating the worldwide rollout, Reuters reports, citing World Health Organization (WHO) documents.