Pfizer raised the price of its Covid-19 vaccine by more than a quarter and Moderna by more than a tenth in the latest EU supply contracts as Europe battled supply disruptions and concerns about side effects from rival products.
The groups are set to generate tens of billions of dollars in revenue this year as they sign new deals with countries anxious to secure supplies for potential booster shots in the face of the spread of the highly infectious Delta variant.
The terms of the deals, struck this year for a total of up to 2.1bn shots until 2023, were renegotiated after phase 3 trial data showed their messenger ribonucleic acid vaccines had higher efficacy rates than cheaper shots developed by Oxford/AstraZeneca and Johnson & Johnson.
您已阅读56%（742字），剩余44%（590字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。