So many people infected and so many deaths, yet I only know of two people from work, friend, and family who have had it. I don't k now what to think about that. Did the restriction made it so it would be so little, or is it not that serious. I mean they both recovered pretty easily.
Best for you is to start at basics
https://bitcointalk.org/index.php?topic=5220206.msg53898245#msg53898245Common cold, which infect the cooler upper airway and sinuses
The influenza viruses "the Flu", which infect the whole body.