You need to go back to medical school then...
They are from completely different viruses (SARS vs. Influenza). They have different infection times, They have different contagious periods/time frames, They spread differently, They have a different health risk (the flu doesn't cause Blood clots in the lungs, heart, brain or appendages)
🍎 and ❤️ are both red... but they are not the same.
.. I stand by my statement of 'you are uneducated (aka.. ignorant)' statement.