The main lesson: Understanding risk.
Perhaps the most important lesson from this discussion concerns how we understand risk.
No medical intervention offers 100% protection — not vaccines, not medications, not even natural immunity.
In reality, health decisions aim to reduce risks, not eliminate them.
COVID-19 vaccines significantly reduce:
The risk of serious illness
The burden placed on health systems
The overall impact of the virus on society
This remains true, even in a world where infections still occur.
Final thoughts
The statement “People vaccinated against COVID-19 can get sick” is true, but incomplete.
A more precise version would be:
Vaccinated people can still be infected, but they are much less likely to develop severe forms of the disease.
This distinction is important.
It influences our understanding of science, our reaction to new information, and our health decisions.
In the future, the goal is no longer zero cases, but resilience.
And according to these criteria, the COVID-19 vaccines have been a resounding success.