- Monthly Number of Diphtheria Cases (Age Group 0-5 Years) by Residence in Idukki District of Kerala (2020-2021)
- Monthly Number of Diphtheria Cases (Age Group 0-5 Years) by Residence in Idukki District of Kerala (2018-2019)
- Monthly Number of Diphtheria Cases (Age Group 0-5 Years) by Residence in Idukki District of Kerala (2017-2018)