If there is a star in the health code. This means that this person has received two shots of COVID-19 vaccine. Played a protective role. So there is a star on the health code. Two stitches means two stitches.
In order to show your health code when entering or leaving public places, it is convenient for health code inspectors to quickly know your health and vaccination situation, better create a social atmosphere of actively vaccinating COVID-19 vaccine, improve the vaccination rate in COVID-19, and form group immunity as soon as possible.