The only controvercy is by people who are basing their knowledge on YouTube and internet memes.
Anyone basing their knowledge on science is in favour of vaccination.
Yes, there are risks involved in vaccination. Alergies, bad reactions etc.
Yes risks are minute compared to the risks involved with being unvaccinated and catching one of the many deadly diseases we can now vaccinate against.
Look in any cemetary and see the number of infant graves prior to vaccination.
There is a reason that life expectancy 100 years ago was undrr 50 and is now over 80.
Children used to die from polio, tetanus, diptheria, pertussis, mumps, measles, influenza, meningitis, .....the list goes on.
Others were left with permanent health problems.