Exactly. There are reasons why one may not be immune: 1. The vaccine failed to create immunization 2. They were not vaccinated at some young age, but always a

Exactly. There are reasons why one may not be immune: 1. The vaccine failed to create immunization 2. They were not vaccinated at some young age, but always assumed they were The article seems to suggest that this person was an anti-vaxxer as opposed to a casualty of anti-vaxxer ideology.