Do I need to get a booster shot for the COVID-19 vaccine? Do I need to be tested for vaccine antibodies? One chart will tell you!

Editor's note: With the gradual establishment of immune barriers and the global spread of mutant strains, discussions about COVID-19 vaccine booster shots and whether antibody testing is necessary are becoming increasingly popular. So, do all people need booster shots? Which groups of people are suitable for booster shots? Is antibody testing really necessary? The following pictures will tell you!

Source: Press conference of the Joint Prevention and Control Mechanism of the State Council