Modern Darwinism and herd Immunity

The nature of a pandemic is to threaten the existence of a species. Faced with extinction by a disease, the species must eventually achieve a state of herd immunity. This is as true today as it was hundreds, thousands, and even millions of years ago. The only difference today is that we have more scientific means of achieving immunity.

Against Covid-19, people may take recourse to a relatively safe vaccine. Or they may contract the disease and - if they survive - achieve a natural level of immunity. But one way or another, they will almost certainly contribute to the attainment of herd immunity. Either that will happen, or the human species is doomed.

As for those who prefer not to be vaccinated, who prefer to take their chances with the disease, society need not vilify them. Most people might not agree with their position, but that is their subjective truth... and so it is pointless to argue. But certainly society has every right to protect itself against those who pose a risk to its survival. Thus, as a security measure, society has the right to demand a certificate of either vaccination against or recovery from Covid... or of a very recent test negative for Covid. Any person who remains unvaccinated and lacks any proof of recovery or lack of infection by Covid may reasonably be shunned as a clear and present danger. Individual freedom must never eclipse the collective interest. An entire species cannot be held hostage to the whims of its individual members. The whole is never less than its parts.