LA – A new study, published in the journal Immunity, shows the quality of immune response weakens in those who suffered from Covid-19 before their vaccination jabs. It said the level of the key immunity cell, that targets Covid virus was found less in vaccinated people affected by it than in those who have been vaccinated and did not contract the virus. It said vaccinated people are safer and more protected from the virus than the unvaccinated one.
Pic courtesy: regionofwaterloo