The sled dog team led by Balto didn’t deliver vaccines. The vaccine for Diphtheria didn’t exist in 1925.

They delivered diphtheria antitoxin serum which was the only treatment at the time.

The image has a good sentiment though. The Florida change is just more undermining of public schools to push private charter school enrollment. These bozos in our government voted in vouchers to directly subsidize the businesses they themselves are invested in.