Evaluation of a measles vaccination campaign at the universities in the city of Zurich, 2019.

In 2019, there were 29 reported cases of measles in the Canton of Zurich, with two cases occurring among university students. In collaboration with the University of Zurich Travel Clinic, the Health Department of the Canton of Zurich offered free measles vaccination to all employees and students at the University of Zurich (UZH) and the Swiss Federal Institute of Technology (ETH). This short communication shares the results of this large measles vaccination campaign. Vaccination intervention campaign. All employees and students at the UZH and ETH were informed via an email distribution list that they were eligible for cost-free consultation and measles vaccination (when indicated). Consultations and immunizations took place over the course of 3 days in June 2019 at the UZH Travel Clinic. All those who were missing one or two doses of measles vaccination, and had no contraindications, were vaccinated. Booster immunizations were offered until December 2019. A total of 411 individuals participated in the campaign. Thirty-five individuals (8.5%) were found to have sufficient measles vaccination on consultation and received no additional vaccination. A total of 376 individuals (91.5%) met the eligibility criteria and were vaccinated; 83 individuals (20.2% of all participants and 22.1% of those vaccinated) returned for a second vaccination. In total, the campaign saw 494 visits (including consultations without immunization and visits for second immunization). Demographic data were collected for 439 visits where measles vaccination was administered. From these, 51.7% were for an individual's first measles vaccine dose, 27.3% for a second dose, 18.9% for a booster immunization and 2.1% were unknown. 54.7% of campaign visits were made by females; and 45.0% of visits were made by those aged 18-29 years, 27.9% by those 30-39 years, 14.6% by those 40-49 years, and 12.6% by those 50+ years. 49.8% of visits were made by students and 48.5% by employees. More students needed the first dose (54.2% of first-dose visits), whereas more employees received booster immunization (57.8% of booster visits). The measles vaccination campaign was well attended, particularly by the younger age group 18-29 years and females. Coupled with intense media attention, such a campaign immediately following an outbreak may be an effective method to increase vaccination coverage.

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