Hi my 2 10 week old kittens had their 1st injection 2day ella is fine eating drinking playing but brodie has not ate or drank wont move and has slept for hours he cries when we pick him up and is not hiself is it normal for a kitten to be like this do they take after human babies and feel s bit poorly after he was very stressed in the car on way to vets if any 1 has any answers please let me know as im very worried about my baby brodie