Where did the Enshi epidemic come from?

Acquisition of relevant information shows that as of October 7, the Enshi epidemic came from a pair of tourist families in Qianjiang City; most of the current epidemics are asymptomatic infections, and residents must be sure to Protective measures must be taken. Enshi Prefecture has a smooth and beautiful natural environment and welcomes many tourists here every year, so the zero case here was brought in from overseas tourism. What is certain is that this round of epidemic is caused by the spread during travel, and is inseparable from tourism. The characteristics of this round of epidemic are that it is more contagious and spreads faster.