Can Covid Delta Presence be also predicted in Thailand

I wanted to find out if the same age cutoff of cases can also signal the presence of Covid19 Delta variant in Thailand. For this experiment, I roped in my nephew, Jantzen Ang and sought the help of Chris Sobrepena. He is a Pinoy stationed in Thailand. Chris provided the link to the source data and context — since he is living in Thailand.

Data source:

The most significant 3rd wave started on April 3, 2021 which is around the 13th week of 2021.