Assuming developers gain approval soon, a rollout could start by the end of the year.
In the quest to develop vaccines against Covid-19, researchers are on the cusp of overcoming challenges that typically require years if not decades to beat.
After the first experimental shots produced positive results in late-stage trials — a huge feat in itself — drug companies and health officials will face another set of obstacles in inoculating hundreds of millions of people around the world.
Source: washington post
Summary automatically generated by NewSUM A.I. from the following sources:
- Yet Another Vaccine Challenge: Distributing It Around the World (washington post)
- Why Making a Covid Vaccine Is Only the First Hurdle (washington post)