The risk of hospitalization due to Covid-19 after vaccination with the Johnson & Johnson mono-dose vaccine is about five times higher than for those vaccinated with the two-dose Pfizer/NioNTech vaccine, a large French scientific study shows.
The researchers, who published the study in the US medical journal JAMA Network Open, according to Reuters, compared data on nearly 700.000 people vaccinated with J&J and as many with Pfizer.
(CNA)
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