Daily briefing: Why you need so many COVID boosters
Briefly

The study of 19 people vaccinated against SARS-COV-2 reveals a deficit in long-lived plasma cells, potentially explaining the short duration of COVID-19 vaccine immunity.
The innovative smart insulin NNC2215 employs a glucoside-switch mechanism, activating only when blood glucose levels rise, thereby preventing dangerous insulin surges.
Read at Nature
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