Of course the body is capable, thats exactly what the immune system is for. What the vaccine does is simulate an infection, so when you actually get infected, the immune system remembers how to create antibodies, and does it faster. If the human body were unable to form covid antibodies without vaccination, every single infected person in 2020 would have died.
Of course the body is capable, thats exactly what the immune system is for. What the vaccine does is simulate an infection, so when you actually get infected, the immune system remembers how to create antibodies, and does it faster. If the human body were unable to form covid antibodies without vaccination, every single infected person in 2020 would have died.