Pandemics have psychologies of acceptance, conforming and denial. The last has undoubtedly caused unnecessary deaths.
That's if you believe the death rate given to us, dying of covid opposed to with covid symptoms .Which I don't.
This also could be said for those with various flu strains to seriously ill patients especially with low immunity contracting Pneumonia which have affected far more people than covid 19.
SARS just means a zoonotic disease, meaning it was of animal origin but passed on to humans
When a new virus first emerges, people do not have immunity. In time, the immune system develops antibodies for the new virus, and these antibodies equip it to fight the resulting disease.
When swine flu (H1N1) first appeared in 2009, for example, there were concerns that a pandemic could develop. Now, it is one of the seasonal flu strains that pharmacists include in the annual flu vaccine. Many people also have immunity to H1N1.
Happy new year mate...