Pandemic Hero

All doctors and scientists from the whole world disappeared after an invasion of evil creatures, which have spreaded a virus across the earth, infecting all humanity and threatening its survival. You are the very last medical student that can save the world, by providing a vaccine. And now its your best and last chance! You just found a the last dose of vaccine that was lost by a group of scientists just before they got eliminated. Now it is your duty to escape from the angry of the evil creatur...