Journal Pre-proof SIR epidemic model of childhood diseases through fractional operators with Mittag-Leffler and exponential kernels Rajarama Mohan Jena, Snehashish Chakraverty, Dumitru Baleanu PII: S0378-4754(20)30411-0 DOI: https://doi.org/10.1016/j.matcom.2020.11.017 Reference: MATCOM 5200 To appear in: Mathematics and Computers in Simulation Received date : 2 May 2020 Revised date : 14 November 2020 Accepted date : 17 November 2020 Please cite this article as: R.M. Jena, S. Chakraverty and D. Baleanu, SIR epidemic model of childhood diseases through fractional operators with Mittag-Leffler and exponential kernels, Mathematics and Computers in Simulation (2020), doi: https://doi.org/10.1016/j.matcom.2020.11.017. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. c ⃝ 2020 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.