The race is on to find a COVID-19 vaccine to stop the spread of the COVID-19 virus. Countries around the world are using different vaccine technologies to try and find ones that can halt the pandemic. There are more than 102 candidate vaccines that researchers are working on, eight of which are now being tested in clinical trials in humans.
How long does it take to develop a vaccine
It is important to note that a vaccine fit for humans usually takes years to develop as it goes through a series of human trials to test its safety and efficiency. The World Health Organization is tracking the potential vaccines for COVID-19 in the clinical evaluation
Here’s taking a look at the four potential vaccines which are leading the race:
Oxford University vaccine