RT @Antonio_Caramia@twitter.com
The right question is no more
❌"Are you boostered?"
but
✅"*WHEN* did you receive the last vaccine dose?"
👉After 3rd or 4th vaccine dose, incremental VE against hospitalisation with BA.4, BA.5 and BA.2
⚠️after 4-6 months is only 20-40%
⚠️after 6 month is only 10-20% ‼️
🐦🔗: https://twitter.com/Antonio_Caramia/status/1603090324318203905