RT @EC_HERA: #DYK that an influenza pandemic is caused by a new influenza strain with no pre-existing immunity?

While difficult to predict, it's important to be prepared.

Thanks to HERA, countries can purchase up to 85 million vaccine doses.

👉 https://ec.europa.eu/commission/presscorner/detail/en/IP_22_4363

#HealthUnion

🐦🔗: https://nitter.eu/ECDC_EU/status/1567123293823533056