jeremy howard, really interesting to talk to you about that. thank you so much. the brazilian president, jair bolsonaro, has sacked his health minister after the two men openly clashed over how to tackle the spread of coronavirus. the minister had been an advocate of a lockdown. but the president has called for brazilians to go back to work. mr bolsonaro said brazil‘s economy needed to gradually open up, or the country would go broke. new york‘s governor has extended the stay at home order until may 15. despite the restrictions, the city‘s devoted joggers are finding ways to keep up their regular routines. the bbc‘s tom brook is a runner — he laced up his shoes for a spin around central park, to help bring the pandemic into focus. stopping the spread of the coronavirus is a mission for all of us. the alarm goes off every morning with radio news bringing more gloom. i get up, make some coffee, prepare for my run, don my face mask and go down to the street. i live just 30 seconds from central park. there ijoin other runners. i stop and talk to them, of co

howard setting because being challenged by experts likejeremy howard and jeremy hunt who says they may reduce the spread on london underground and specifically to the ask when the government came to that conclusion that it consider only the medical evidence about transmission or was it also taking into account the obvious fact that there are not enough masks to go around to the public? it is certainly the case that if there was ever a competition between health care workers and care workers the front line, and people using them in situations where the risk is incredibly low, i don't think it takes a scientist or doctor ina very think it takes a scientist or doctor in a very bad thing to happen and that's one of the reasons they really rated the advice in most settings masks should be for health ca re settings masks should be for health care workers. however, this is a very small issue that we are re—examining and which they reelected that this money for other scientific groups are looking at the evidence. my summary to date would be the evidence is weak but the evidence of a small ef