What does 2022 1 1 mean?

It means a confirmed case. Red team refers to a person whose health code is displayed in red, indicating that he is a confirmed case, a suspected case, an asymptomatic infected person, a confirmed patient and an asymptomatic infected person who have been cured and discharged from hospital and have been under 14 days after home medical observation, or a close contact of a confirmed case, a suspected case or an asymptomatic infected person.