On 23 April U.S. Secretary of State Mike Pompeo alleged on Fox News that China had denied U.S. scientists permission to enter the country , in an effort to ascertain the origin of the current pandemic , but did not give details of any requests for such visits.
On 23 April U.S. Secretary of State Mike Pompeo alleged on Fox News that China had denied U.S. scientists permission to enter the country during the coronavirus pandemic .