France Research and Development Director Yves Jacob speaks during a press visit at the industrial site of the French pharmaceutical group Sanofi in Montpellier, in the south of France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

Employees work on a production line for clinical trials on a global scale during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

Employees work on a production line for clinical trials on a global scale during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

Director of Packaging and Distribution Operations at Sanofi Elora Quint speaks during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

Global Director of Clinical Supply Chain Operations at Sanofi Arnaud Dourlens speaks during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

An employee works on a production line for clinical trials on a global scale during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

An employee works on a production line for clinical trials on a global scale during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)

An employee works on a production line for clinical trials on a global scale during a press visit to the industrial site of the French pharmaceutical group Sanofi in Montpellier, southern France, on June 16, 2026. (Photo by Sylvain THOMAS / AFP via Getty Images)