COVID-19 Vaccination prevents development of long Covid: BMJ
A recent study published in the British Medical Journal explored the impact of primary COVID-19 vaccination on post-COVID-19 conditions (PCC). The study spanned from December 2020 to February 2022 as part of the Swedish Covid-19 Investigation for Future Insights. This involved 589,722 adults in Sweden, sheds light on the effectiveness of the initial two doses and the first booster shot within the recommended schedule.
Out of the 299,692 vaccinated individuals who were infected with COVID-19 during the study, only 0.4% received a diagnosis of PCC during follow-up. This contrasts with the 1.4% of the 290,030 unvaccinated individuals who developed post-COVID conditions. The vaccination strategy, irrespective of the number of doses, demonstrated a substantial reduction in the risk of PCC, with a calculated vaccine effectiveness of 58%.
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