I believe the answer is: positive externality
Positive externality refers to The benefit that enjoyed by a third party when the first and second party are conducting a transaction.
When you receive a vaccines, you prevent yourself from becoming a host that could contaminate other people from getting the virus. In the example above, you and your children are the first and second party. And other children are the third party.
Ronald Reagan was 69 years 11 months when he became President.
George Washington was very fond of cherries, and cherry pies. His favorite desserts were Tipsy Cake, also known as <span>Martha Washington’s Whisky Cake.
</span><span>in England, pies were a favorite food on the early American table, both sweet and savory.</span>
