Dasopang, E. S., Natalia Siahaan , D., Hasanah, F., Handayani Lubis , S., Yuni M , Y. . and Pane , R. (2024) “The Relationship Between Covid-19 Vaccination And The Incidence Of Covid-19 At The Hospital Putri Hijau Hospital, Medan”, International Journal of Health and Pharmaceutical (IJHP), 4(3), pp. 472–479. doi: 10.51601/ijhp.v4i2.338.