How long can any country stay COVID zero?

China is fighting its largest coronavirus outbreak since the pandemic begun, but the lockdown being used to try and control it is facing resistance?

Videos on social media appear to show small riots breaking out in parts of Shanghai while some residents are recording themselves screaming and yelling from their apartments in desperation.

So is China's zero-COVID policy unable to withstand the onslaught of Omicron? And why is China resorting to lockdowns?

Also on today's show:

* How's COVID going in the USA?

* Omicron refresher: Do RATs work against it? What are the main symptoms? How long is the incubation?

* How much of the world has had COVID now?

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