"..over 16100 mortalities have been recorded among children as yet."
https://www.ingentaconnect.com/content/ben/biot/2024/00000018/00000003/art00003

Further reading can be found at

https://scholar.google.com/scholar?as_ylo=2024&q=ZyCoV-D&hl=en&as_sdt=0,5

such as

Lipid nanoparticle-encapsulated DNA vaccine robustly induce superior immune responses to the mRNA vaccine in Syrian hamsters

PDF https://www.cell.com/action/showPdf?pii=S2329-0501%2823%2900208-5