Around the world, a coronaviruses epidemic is sweeping across the globe, threatening to cause huge social and economic costs.
And it is happening in a country that has been in the grips of an outbreak for nearly three decades.
This is the first of a two-part series exploring how coronavids are spread, the virus’ history, and the current threats.
First, the basics of coronaviral disease.
The first is why it is so hard to catch and how it spreads, which is why we are so keen to keep a close eye on it.
The second is why there is so much uncertainty surrounding its possible effects.
And finally, we look at the current threat and what can be done about it.
Source: Al Jazeera News