The United States, which has accused China of hiding the extent of its initial outbreak a year ago, has called for a"transparent" WHO-led investigation and criticised the terms of the visit, under which Chinese experts have done the first phase of research.
"There's always politics with this sort of scenario but one of the things that COVID-19 has shown us is if you have good science, you then inform the politics," he said."You want to fill the scientific vacuum with the answers so that people can make more informed and, therefore, presumably more sensible decisions.
"Getting an understanding of how they work physically by seeing them is helpful because one's trying to work out how viruses might have come into the market from outside ... and spread within the market, or parts of the market, and then spread to the community," he said."It's in the room for two weeks," said Dwyer.
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