Vaccine myths in the family group: how to answer without starting a fight

As a teacher, I hear vaccine questions from parents every autumn, usually starting with "I read somewhere that...". Arguing rarely works. What helps is a calm answer, a reliable source, and respect for the worry behind the question.

The three myths I hear most

• "Vaccines cause autism." The World Health Organization states there is no evidence of a link between the MMR vaccine, or any other vaccine, and autism. The 1998 study that started the fear was later retracted.
• "We don't need vaccines any more, those diseases are gone." They aren't gone. Diseases like measles still circulate, and they come back where vaccination rates drop.
• "Vaccines haven't been tested enough." Vaccines go through extensive testing before they are licensed, and their safety keeps being monitored afterwards.

How to answer in the group

1. Reply privately first. Nobody likes being corrected in front of thirty relatives.
2. Start with what you agree on: everyone wants the children to be safe.
3. Share one clear source, not ten.
4. Suggest asking the family's paediatrician. A trusted doctor convinces more than any link.

The short TED-Ed animation below explains how vaccines train the immune system. It's the one I share most often with parents.