“Europe doesn't "use the chickenpox vaccine specifically because the preclinical trial shows that when you inoculate the population for chickenpox, you get shingles in older people, which is more dangerous.”
FactCheck.org says: Some countries in Europe do routinely vaccinate children against chickenpox. Others do not, in part due to theoretical concerns about shingles. But there isn’t strong evidence that vaccinating children is causing a prob…