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4 articles from Guardian Unlimited Science

How a global health crisis turns into a state-run surveillance opportunity | John Naughton

A colour-coded contagion-risk app being rolled out across China doubles as a means of social controlWhen Barack Obama was US president, his chief of staff, Rahm Emanuel, had a useful motto: “Never let a serious crisis go to waste: it’s an opportunity to do things you think you could not do before.” The Chinese authorities have clearly taken this to heart – as evidenced by the unprecedented...

Coronavirus symptoms: what are they and should I see a doctor?

What are the symptoms caused by the virus from Wuhan in China, how does it spread, and when should you call a doctor?Find all our coronavirus coverage hereHow to protect yourself from infectionCoronavirus latest updatesIt is caused by a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those initially infected...

Coronavirus: nine reasons to be reassured

Yes, Covid-19 is serious, but context is key and the world is well placed to deal with itShare your experiencesThe coronavirus epidemic plainly poses an exceptionally serious global problem: in a few short weeks, it has spread from China to more than 80 countries, infecting more than 100,000 people so far and causing more than 3,400 deaths.But as we are hit with minute-by-minute updates from...