You forgot to mention:
They calculate human disease victims in percentages and SARS got detected 2003 already.
So what, it's still counts as a rare disease.
"In history they tell you about the battles, but not about the bloodshed."
VIRUS
[ˈVĪRƏS]
NOUN
AN INFECTIVE AGENT THAT TYPICALLY CONSISTS OF A NUCLEIC ACID MOLECULE IN A PROTEIN COAT, IS TOO SMALL TO BE SEEN BY LIGHT MICROSCOPY, AND IS ABLE TO MULTIPLY ONLY WITHIN THE LIVING CELLS OF A HOST. 25 MILLION PEOPLE DIED OF THE "BLACK DEATH", IN TOTAL, DURING THE MIDDLE AGES. ALMOST TWO MILLION PEOPLE DIED IN ONE YEAR OF THE FIRST STRAIN OF COVID-19