Sweden’s Umea University scientists have discovered the reason why certain COVID-19 vaccines act differently to what was initially expected. The study they conducted helps us to understand the mechanism behind higher efficiency of vector-based vaccines such as the Johnson & Johnson jab produced in the U.S. and Russia’s Sputnik V, SVT channel reports. Such shots pierce into body cells through adenoviruses and launch antibody response when inside. However, the Swedish scientists who joined forces with their German and Dutch colleagues found out that some vaccines use a different entry mechanism to what was believed previously, which explains their higher efficacy…
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