A study conducted in Bahrain has found the Sinopharm vaccine to be less effective in elderly vaccinated Covid-19 positive patients.
The study has found that the percentage of deaths among all PCR positive post-vaccination Covid-19 cases among recipients of the Sinopharm vaccine was 0.46 per cent (i.e., 112 deaths) versus 0.15 per cent for Pfizer-BioNTech (i.e., 3 deaths) and 0.03 per cent for Covishield-AstraZeneca (1 death).
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