Key Facts about Influenza (Flu) Vaccine Who Should Get Vaccinated?

In general, anyone who wants to reduce their chances of getting the flu can get vaccinated. However, it is recommended by ACIP that certain people should get vaccinated each year. They are either people who are at high risk of having serious flu complications or people who live with or care for those at high risk for serious complications.

6. The word however in "However, it is recommended by ACIP that certain people..." indicates

A) addition.

B) exemplification.

C) opposition.

D) result.​