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European Commission opens antitrust investigation into Sanofi

The European Commission is investigating whether Sanofi breached competition rules through a marketing campaign allegedly disparaging a rival vaccine intended for vulnerable patients.

By 26 Jun 2026 · 10:00 CET Updated 26 Jun 2026 · 10:00 CET

AI disclosure: Summarised from a single named source by an AI model with editorial rules; links to the original report.

The European Commission has launched a formal antitrust investigation into pharmaceutical company Sanofi. According to the Commission, the inquiry seeks to determine if the firm violated European Union competition regulations by running a communication campaign that disparaged the only competing influenza vaccine recommended for vulnerable patients with specific risk factors.

The investigation follows a press release issued by the European Commission on 26 June 2026. The regulator is currently assessing whether these promotional activities constitute anticompetitive conduct within the European market.

Source: European Commission. Read the original report ↗

Source ledger

  • This brief is based on reporting by European Commission.
    supports: European Commission