On June 29, the Central Epidemic Command Center (CECC) announced that, effective from July 1, airport/port workers, home quarantine workers, airline crew members, care institution employees, and workers in the social welfare system will be eligible for a second booster shot and can get it after assessing their risk of infection as well as willingness. Such individuals willing to get a second booster shot are recommended to get it five months after their first booster dose.