Q&A: COVID-19 booster shots

6. How long does it take for antibody levels to increase after getting a COVID-19 booster shot?

After two weeks, neutralizing antibodies in individuals inoculated with a booster shot will be 10 to 30 times higher than before.

Even six months after the booster shot, the body's antibodies can still be maintained at a relatively high level.

7. Which areas in China have already started offering COVID-19 booster shots?

According to incomplete statistics, inoculation campaigns of COVID-19 booster shots have started in 19 provincial-level regions.