Is it correct that breastfed babies immunity level are higher than formula fed babies ?

Yes! Breastfeed always good for babies. If your baby is less than one year, It's better to continue breastfeeding as long as possible, it has not any replacement.

Yes, breastfed babies immunity is higher then formula fed babies.

Yes its right n thats y whenever u choose formula milk fr baby just read its contents n prefer to buy fm which contains prebiotic in it.