MenACWY conjugate vaccines are recommended for adults who have conditions that increase risk of meningococcal infection, such as Anatomic or functional asplenia (including sickle cell disease) HIV infection Persistent complement component deficiencies Complement inhibitor use (eg, eculizumab, ravulizumab) Work in a microbiology laboratory involving routine exposure to isolates of Neisseria meningitidis Military recruitment Travel to or residence in endemic areas First year of residence in a college dormitory if students are ≤ 21 years and have not already received a dose on or after their 16th birthday Exposure to an outbreak attributable to a vaccine serogroup If first-year college students aged ≤ 21 years received only 1 dose of vaccine before their 16th birthday, they should be given a booster dose before enrollment.