![]() We call these cases “breakthrough” infections. However, even the best vaccines we have are not perfect, which means some vaccinated people still end up catching the virus. Efficacy against symptoms of the disease in clinical trials has ranged from 50% ( Sinovac) to 95% ( Pfizer/BioNTech), and similar effectiveness has been reported in the real world. ![]() Their primary purpose is to prevent you from getting really sick with the virus, and it quickly became clear the vaccines are highly efficient at doing this. Since COVID-19 vaccines began rolling out across the world, many scientists have been hesitant to say they can reduce transmission of the virus. But new emerging evidence points to the fact that these jabs can help break the cycle of transmission.Even the best jabs don’t provide 100% protection, and some vaccinated people still get COVID through “breakthrough” infections.The main purpose of COVID vaccines is to prevent people from falling ill with COVID-19, the disease caused by SARS-CoV-2.
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