Could a common vaccine used for decades to protect against tuberculosis help shield health workers from COVID-19?
While developing a specific immunisation against the coronavirus sweeping the planet will likely take many months, researchers are studying the potential benefits of the BCG shot, which many people around the world receive as children.
Laboratories and pharmaceutical firms are racing to find medicines to tackle COVID-19, which has infected more than a million people, killed at least 50,000 and for which there is currently no known treatment, vaccine or cure.
They are also looking at repurposing existing drugs
Read more: Channels TV
