Sumary of If you got the Johnson & Johnson vaccine, do you need another dose?:
- With reports of a thousand new Covid-19 cases every hour, there’s growing anxiety about how well protected some vaccinated Americans are against the highly contagious delta variant.
- A new lab study posted online Tuesday has raised some concerns that the one-dose Johnson &
- Johnson vaccine isn’t as robust in fighting off illness from coronavirus variants, including the delta variant, as the two-dose mRNA shots.
- For full coverage of the Covid-19 pandemicIn the study, which hasn’t been peer-reviewed or published in a medical journal, researchers at the NYU Grossman School of Medicine compared how well two doses of the mRNA vaccines — from Pfizer-BioNTech and Moderna — stood up against the variants compared to the one-dose Johnson &
- Johnson vaccine may be less effective against some of the variants of concern.
- The study looked only at the antibody response in the blood samples, according to the researchers.
- Early this month, researchers from South Africa reported on their real world data about health care workers who had received the one-dose vaccine.
- Last week, researchers from Beth Israel Deaconess Medical Center in Boston found in a laboratory setting that the antibody response from the Johnson &