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Last week, we promised we\\u2019d tackle your coronavirus and associated Covid 19 questions and you came up trumps. So this week we\\u2019re be talking about the latest from the lockdown, why there are bottlenecks in the testing system, how long the virus lives on your door handles and whether your dog can spread coronavirus. Joining us to answer your questions are Jonathan Ball, Professor of Virology at the University of Nottingham, and BBC Radio Science presenter and reporter Roland Pease.

On Monday evening, Prime Minister Boris Johnson told the British people to \\u2018stay at home\\u2019. How stringent is the UK\\u2019s lockdown compared to other countries, and is it likely to be effective?

The only real way we can know about the incidence and prevalence of the coronavirus is to test. Listener Andrew in Didcot wants to know more about testing and when antibodies appear in us. We discuss how the current testing system works, and why there are limitations on testing.

One question that lots of scientists have been asking is: can people with mild or no symptoms spread the coronavirus? And so we delve into the evidence for asymptomatic spreading.

Listeners Eleanor and Andy have been wondering about passing the virus from person to surface to person. Roland Pease looks into the virus\\u2019 survival on surfaces and elsewhere, and asks how that might be affecting spread.

Finally, reporter Geoff Marsh tackles a quandary facing dog owners: Is it safe to walk your pet? Can dogs spread the virus?

Presenter: Marnie Chesterton\\nProducers: Fiona Roberts and Jennifer Whyntie