Our heritage timeline

From 1885 when Louis Pasteur first developed the rabies vaccine through to the present day, we are proud of our history of innovation. Consistent widespread use of vaccines has proven successful in controlling, or even eliminating, disease.

1887

Where we begin
Institut Pasteur is founded.

Our US HQ is established

Profoundly influenced by the teachings of Louis Pasteur, Marcel Mérieux establishes the Institut Biologique Mérieux.

Across the Atlantic, Richard Slee opens the Pocono Biological Laboratories, which today houses the U.S headquarters of sanofi pasteur.

1897

Diptheria

In Toronto, John Fitzgerald establishes a laboratory for the production of a diphtheria antitoxin. Formerly known as Connaught Laboratories, this is the headquarters of sanofi pasteur in Canada.

1914
1937

Foot & Mouth

Charles Mérieux succeeds his father, Marcel. He develops a foot and mouth vaccine, which during a severe epidemic in 1952, saves six million cattle. Industrial virology is born and applied to human medicine.

1967

Alain Mérieux succeeds his father, Charles, and Institut Mérieux becomes a worldwide player in the field of applied immunology.

1968

Rhône-Poulenc acquires a majority stake in Institut Mérieux.

1973

Pasteur Institute production site is created in Val de Reuil, France. The site will be acquired by Institut Mérieux in 1985.

1967-73

Acquisitions

1989

A world leader

Institut Mérieux acquires Connaught Laboratories and becomes the world leader in vaccines.

Joint venture formed

Pasteur Mérieux MSD is founded. Known today as sanofi pasteur MSD, it is a joint venture with Merck & Co., covering 19 countries in Europe.

1994
1999-2004

Aventis is born

1999

Rhône-Poulenc and Hoechst merge their life sciences activity – pharmaceuticals, animal health and crop science - to form a single company, Aventis.

Pasteur Mérieux Connaught changes its name to Aventis Pasteur.

2004

Sanofi-Synthélabo and Aventis merge, becoming sanofi-aventis Group, one of the world's largest pharmaceutical company, ranking number 1 in Europe.

The vaccines division of the Group becomes sanofi pasteur.

2008

Sanofi Pasteur Holding acquires Acambis plc.

2009

Sanofi Pasteur acquires a majority stake in Shantha Biotechnics.

2010

Sanofi Pasteur acquires VaxDesign, a U.S. biotechnology company.

2008-2010

Growth & diversification

2017

The joint venture is complete

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Date of preparation: August 2018 | SAGB.MIS.18.08.1323j