“Influenza Vaccine and The Frequency of Acute Respiratory Tract Infection of West Java’s Pilgrims- Indonesia: Is There Any Correlations Between? (An Analysis of Siskohatkes Indonesian Hajj Data 2018)”. Indian Journal of Public Health Research & Development 11, no. 3 (March 26, 2020): 1054–1060. Accessed May 6, 2026. https://medicopublication.com/index.php/ijphrd/article/view/1531.