Các câu ví dụ cho từ booster

1. The booster shot would be given to those who had gone at least six months since receiving their second dose depending on the type of vaccine, Nguyen Van Vinh Chau, deputy director of the department, told a meeting Saturday.

2. Israel, France and other Western nations have already started administering or made plans for booster shots, citing indications they are effective.

3. Kim urged the elderly to get booster shots as over 35 percent of infections were found in people aged 60 and above, who account for 84 percent of severe cases.

4. "Duong Hai of Missouri says his family is not bothered by the Omicron strain after getting the booster vaccine.