Did you even try to look at scientific literature before making such claim? Or you are just saying what has been told to you by cnn? Just 3 days ago was anothe

Did you even try to look at scientific literature before making such claim? Or you are just saying what has been told to you by cnn? Just 3 days ago was another study from Nature which shows that they antibody level is persistent. There was another one a month ago. Read more!