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Pfizer Inc. and BioNTech SE’s COVID-19 vaccine produced the strongest immune response among four vaccines tested in a study, which found that people receiving Sinopharm inoculation may be particularly susceptible to breakthrough coronavirus infection . .
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Sources 2/ https://fortune.com/2021/11/15/pfizer-biontech-sinopharm-sputnik-astrazeneca-covid-19-vaccine-immune-response-antibodies/ The mention sources can contact us to remove/changing this article |
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