Sumary of Will People Really Need a Yearly COVID Booster Vaccine?:
- FRIDAY, June 11, 2021 — As the number of people fully immunized against COVID-19 rises into the hundreds of millions, immunologists and infectious disease experts now are pondering a new question in the unfolding pandemic..
- It’s an important question, as waning immunity in the face of more powerful COVID-19 variants could cause future infection surges and, in worst-case scenarios, a full-blown return of quarantines and lockdowns, experts say..
- But will your immunity against COVID fade quickly, as it does with the flu or the common cold, or will it last longer as it does in diseases like measles or whooping cough?.
- But the vaccines developed against the SARS-CoV-2 virus, which causes COVID, appear to be creating high levels of antibodies that protect even as they wane..
- In one recent study of 3,900 health care workers tested weekly for COVID, about 5% tested positive between December and April, Poland said..
- By that measure, experts like Poland and Offit now think it’s unlikely that boosters will be needed any time soon for most or maybe all those who have been vaccinated..
- Even in the face of newer and more infectious variants like the Delta variant that emerged in India, the existing vaccines have been able to prevent severe illness among the fully vaccinated, Poland said..
- “It’s much easier to prevent severe critical disease, and I think you’re much more likely to have longer lasting protection against severe critical disease,”…