Not a single documented case to study.
At the same time however they did release (sprayed us via chemtrails?) Influenza A & B and other flu strains from the past.
If they get you in a hospital they use other means to terminate you and call it covid. The WHO pays the hospital $100K for every covid death. So you see...as far as the hospital is concerned...you are worth a lot more dead than alive.
Keep in mind every illness ever on earth is man made by the bad guys.