Happy anniversary, Covid-19! This is what we know about you
The global health emergency was declared six months ago. We have learnt a lot since, but there is a way to go
Six months ago on Thursday, coronavirus was declared a global health emergency by the World Health Organisation (WHO).
Since then, the virus has swept through the world, infecting nearly 17 million people and killing more than 664,000. But we now know far more about Covid-19, its impacts and how it may, eventually, be defeated.
Here is what six months has taught us:..