... why do I listen to the people that have some PhD's on this stuff! I got you!
SARS was a coronavirus that bound ACE2 receptor in airways. Killed ~10% of the ~8,000 it infected. Many survivors never went back to work.
Covid-19 is a coronavirus that binds ACE2 receptor in airways. Kills ~1%. BUT HOW DOES IT SPREAD COMPARED TO SARS?
Look at the graphs and plot the numbers out a couple weeks. You'll learn, through "moderate reading", the meaning of exponential growth.