At a certain point, when almost everyone is vaccinated, the odds of having a negative outcome from a vaccine is similar to having a negative outcome from being

At a certain point, when almost everyone is vaccinated, the odds of having a negative outcome from a vaccine is similar to having a negative outcome from being unvaccinated. Since we don't "routinely see or know people with the disease" it doesn't take analysis to realize that it may be worth taking vaccine risks into account. The problem is more of an overlooked "tragedy of the commons", where people who are not vaccinated benefit from the vaccinations of others, until outbreak risks rise too greatly. That risks from being unvaccinated are low as long as most people get vaccinated, and that vaccines have some risk, makes it a much more difficult decision for some parents than is generally acknowledged.