The most ambitious mass vaccination campaign in history would include the highest risk people in all countries, not just the ones who can readily pay for a vaccine.
The last case of rubella and congenital rubella syndrome in the United States that wasn’t imported occurred just before 2004.
While the idea of chickenpox and measles parties now seems ridiculous to most people, in the pre-vaccine era, it might not have been so strange. Since getting these diseases was inevitable, it might make some sense to try and control when your kids got sick. Did did pediatricians actually encourage parents to have measles parties? …
Vaccines don’t cause chronic arthritis, like JRA or rheumatoid arthritis.