For this 2024-2025 winter season, the vaccination campaign against seasonal flu is coupled with vaccination against Covid-19. This double vaccination campaign began on October 15.
This joint vaccination is recommended by the French health authorities for all people considered to be at risk of serious illness, and for all those who wish it. These 2 vaccinations can be carried out at the same time or staggered without the need to wait a specific time between the 2estimate the authorities.
Because a priori, there is no risk in receiving both injections on the same day, and this does not hinder vaccine effectiveness. This is evidenced by a new study, published on November 6, 2024 in the JAMA Network Open (Source 1).
Researchers thus conducted a randomized clinical trial evaluating simultaneous or separate administration two mRNA vaccines against Covid-19, and flu vaccines.
This trial was conducted over two flu seasons, 2021-2022 and 2022-2023, at three US sites (Cincinnati Children's Hospital Medical Center, Duke University and Johns Hopkins University).
What about post-vaccination side effects?
In all, the health data of 334 people were taken into account, and made it possible to conclude that the reactogenicitythat's to say the body's immune response to vaccineswas…
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