Effectiveness and Immunogenicity of the MMR Vaccine Against SARS-CoV-2 Among Healthcare Workers. - Seok, Hyeri; Bae, Joon-Yong; Kim, Jooyun; Choi, Won Suk; Park, Heedo; Lee, Jungmin; Lee, Sohyun; Kim, Chulwoo; Park, Man-Seong; Park, Dae Won (Viruses (1999-4915), 2025)