“Stupefied parents must be persuaded that by not vaccinating their children they harm these children and the enitre society. Because, as a significant part of society will not become resistant to a given pathogen, there is a chance that an epidemic will occur. Now, for example, measles returns. Completely harmless in childhood (in my time all children went through it and nothing bad happened), can lead to very serious complications in adult patients.”
Mazurek, Maria (7 July 2017): Cudowna armia, która broni naszego ciała http://plus.gazetakrakowska.pl/magazyn/a/cudowna-armia-ktora-broni-naszego-ciala,12271571. Gazeta Krakowska (in Polish), pp. 18–19.
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Włodzimierz Ptak 21
immunologist 1928–2019Related quotes
The Complete Neurotic's Notebook (1981), Unclassified

“We write not only for children but also for their parents. They, too, are serious children.”
Stories for Children (1984)

Source: " Why Does Robert F. Kennedy Jr. Get Brain Science So Wrong? https://www.forbes.com/sites/emilywillingham/2015/07/21/why-does-robert-f-kennedy-jr-get-brain-science-so-wrong/#451fa6e83a13" by Emily Willingham, forbes.com (July 21, 2015).

“Times are bad. Children no longer obey their parents, and everyone is writing a book.”
As quoted in InfoWorld https://books.google.gr/books?id=qjgEAAAAMBAJ&pg=PA49&dq=, Vol. 23, No. 16, 16 April 2001, p. 49. This had been attributed previously to many other sources from 1908 on, according to this analysis https://quoteinvestigator.com/2012/10/22/world-end/ by Quote Investigator.
Misattributed

Quoted in the Manchester Guardian (31 December 1977), and Simpson’s Contemporary Quotations (1988) https://web.archive.org/web/20000709051930/http://www.bartleby.com/63/90/4790.html edited by James B. Simpson; Says Who?: A Guide To The Quotations Of The Century (1988) by Jonathon Green, p. 17 http://books.google.com/books?id=xUwOAQAAMAAJ&q=%22When+childhood+dies,+its+corpses+are+called+adults%22&dq=%22When+childhood+dies,+its+corpses+are+called+adults%22&hl=en&sa=X&ei=KZO4U_WwFJSlqAaquoKoCg&ved=0CK0BEOgBMBk and The Concise Columbia Dictionary of Quotations (1989), p. 45 http://books.google.com/books?id=bs0J36MpieIC&pg=PA45&dq=%22When+childhood+dies,+its+corpses+are+called+adults%22&hl=en&sa=X&ei=KZO4U_WwFJSlqAaquoKoCg&ved=0CEkQ6AEwBw#v=onepage&q=%22When%20childhood%20dies%2C%20its%20corpses%20are%20called%20adults%22&f=false