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Objective: During January 2016-June 2017, 75 mumps outbreaks occurred in US universities, despite high vaccine coverage among students. We evaluated universities' experiences with mumps outbreaks to inform policy deliberations on use of a third dose of MMR vaccine and CDC guidance. Participants: American College Health Association members in September 2017. Methods: Online survey assessing mumps outbreak characteristics and response measures distributed to 980 members. Results: Administrators from 251 (26%) universities from 47 states responded. Seventy-nine (31%) universities had mumps cases on campus during August 2014-August 2017; 17 (22%) recommended a third MMR dose. The main challenges reported in outbreak response were exclusion of persons without presumptive immunity and isolation of students with mumps. Universities' advice on addressing challenges is described. Conclusion: We identified common challenges faced by universities during mumps outbreaks, and lessons learned. These findings informed the October 2017 recommendation for use of a third MMR dose.

Objective: To obtain information on varicella prematriculation requirements in US colleges for undergraduate students during the 2014-2015 academic year. Participants: Health care professionals and member schools of the American College Health Association (ACHA). Methods: An electronic survey was sent to ACHA members regarding school characteristics and whether schools had policies in place requiring that students show proof of 2 doses of varicella vaccination for school attendance. Results: Only 27% (101/370) of schools had a varicella prematriculation requirement for undergraduate students. Only 68% of schools always enforced this requirement. Private schools, 4-year schools, northeastern schools, those with <5,000 students, and schools located in a state with a 2-dose varicella vaccine mandate were significantly more likely to have a varicella prematriculation requirement. Conclusions: A small proportion of US colleges have a varicella prematriculation requirement for varicella immunity. College vaccination requirements are an important tool for controlling varicella in these settings.

During January 2016–June 2017, 75 mumps outbreaks occurred in US universities, despite high vaccine coverage among students. We evaluated universities' experiences with mumps outbreaks to inform policy deliberations on use of a third dose of MMR vaccine and CDC guidance. Participants: American College Health Association members in September 2017. Methods: Online survey assessing mumps outbreak characteristics and response measures distributed to 980 members. Results: Administrators from 251 (26%) universities from 47 states responded. Seventy-nine (31%) universities had mumps cases on campus during August 2014–August 2017; 17 (22%) recommended a third MMR dose. The main challenges reported in outbreak response were exclusion of persons without presumptive immunity and isolation of students with mumps. Universities' advice on addressing challenges is described. Conclusion: We identified common challenges faced by universities during mumps outbreaks, and lessons learned. These findings informed the October 2017 recommendation for use of a third MMR dose. [ABSTRACT FROM AUTHOR]