How likely will I be to go on holiday early October 2021 to China Holiday was due March 2020

When would it be realistic to expect to be able to be able to go on this holiday, I am 75 years old, and worry that I would be unable to go, it is a guide walking tour visiting many cities in China including terracota Warrriors Panda breeding station traving by internal aircraft to all these places. Trip is already paid for in December 2019

Thank you