Creating a COVID-19 vaccine is only the first step. It'll take years to manufacture and distribute
- Written by Adam Kamradt-Scott, Associate professor, University of Sydney
The world is hoping a safe and effective COVID-19 vaccine will soon become available. So far, more than 160 candidate vaccines are in development.
Some 31 of these have entered human clinical trials. One of them is Russia’s “Sputnik V”, which was granted approval by the country’s health ministry last week. But the World...





