Promosi Kesehatan Tentang Upaya Pencegahan dan Vaksinasi COVID-19 di Puskesmas Siak Hulu I Kabupaten Kampar Tahun 2021: Health Promotion Regarding COVID-19 Prevention and Vaccination Efforts at the Siak Hulu I Public Health Center, Kampar Regency in 2021. JPKK. 2022;2(1):74-80. doi:10.25311/jpkk.Vol2.Iss1.1228