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Massively over crowded Moria refugee camp on the Greek island of Lesbos has seen numbers grow from 5 to 20 thousand in a matter of months. Hundreds of people share taps and toilets, there is little chance to implement measures designed to stop the spread of covid 19. So far the camp has not been hit by the epidemic, but aid agencies fear for the most vulnerable in the camp.

Covid 19 jumped from bats to humans, possibly via another wild animal. A study of zoonotic diseases has identified many other viruses that could do the same.

The skies are clearer, levels of pollution from traffic have dropped by up to 50 percent but how long will cleaner air remain?

And Comet Borisov makes a spectacular exit.

Listener Keith from Lincolnshire wants to know how to reduce stress as he is under extreme pressure as a firefighter. Not only does he have to cope with the stress of responding to emergency situations but he has to do it while wearing challenging breathing equipment.
We all experience times of stress, especially given the current situation, our chest starts to feel tight and our breathing becomes shallow. Claudia Hammond – presenter of Â鶹ԼÅÄ World Service programme Health Check – explains steps we can take to protect our mental health during this pandemic.
How should we alter our breathing to manage stress? Presenter Anand Jagatia speaks to breathing experts to find techniques to help listener Keith, and everyone else.

(Image: Moria refugee camp, Lesvos, Greece. Credit: Getty Images)