![Moderna on X: "Today, we shared positive pre-clinical data demonstrating our ability to combine 6 mRNAs against 3 different respiratory viruses in 1 vaccine: COVID-19 booster + Flu booster + RSV booster. # Moderna on X: "Today, we shared positive pre-clinical data demonstrating our ability to combine 6 mRNAs against 3 different respiratory viruses in 1 vaccine: COVID-19 booster + Flu booster + RSV booster. #](https://pbs.twimg.com/media/E-2be3DXIAIFcoo.jpg)
Moderna on X: "Today, we shared positive pre-clinical data demonstrating our ability to combine 6 mRNAs against 3 different respiratory viruses in 1 vaccine: COVID-19 booster + Flu booster + RSV booster. #
![Prof. Akiko Iwasaki on X: "Why do we need a booster shots? This is because B cell responses induced by first dose only generates lower levels, lower affinity and short lived antibody Prof. Akiko Iwasaki on X: "Why do we need a booster shots? This is because B cell responses induced by first dose only generates lower levels, lower affinity and short lived antibody](https://pbs.twimg.com/media/EouStMYU0AYWyDm.jpg:large)
Prof. Akiko Iwasaki on X: "Why do we need a booster shots? This is because B cell responses induced by first dose only generates lower levels, lower affinity and short lived antibody
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