That exact scenario! Lab monkeys-rats-(bats ?) die. Die by the hundreds each week. Usually are burned, but “somebody” decides to make a few yen each day by selling the dead lab animals in the bloody “wet market “ across the street.
Virus escapes. A few dozen die. Lab covers it up. Several millions die. At a convenient time.
depopulation is their friend, along with the flooding of America with fentanyl