Vaccine Shedding

I remember this distinctly, MSM blamed anti-vaxers for this one, it was in all the news papers, years later look what they discovered.

"...the most likely source of the outbreak is a recently vaccinated individual, according to published science."
https://www.globenewswire.com/fr/news-release/2015/02/02/702199/10118172/en/Studies-Show-that-Vaccinated-Individuals-Spread-Disease.html