Covid in China have been given access all areas passes to discover how the pandemic started.The World Health Organisation (WHO) experts are in Wuhan to to work out what caused the virus that has killed more than two million people in 12 months.The team are set to announce their details findings later this week in an eagerly awaited report.British zoologist Peter Daszak told CNN his team of investigators had submitted a list of places to visit and people to speak to, receiving no opposition from the Chinese authorities, the Daily Mirror reported.He added that evidence has been found about the virus' origins and is being "pieced together".He said: "We are not running rogue here, we are talking to our hosts.