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Updates on our COVID-19 Vaccines

Sanofi and GSK announced on May 27 the start of a phase 3 clinical trial for their COVID-19 recombinant vaccine candidate which, in phase 2 initial results shared May 17, demonstrated strong immune responses across all adult age groups.

In parallel, an extension of the phase 2 study has been launched end of July, to evaluate different formulations of the candidate vaccine as a primary series and as a booster dose against COVID-19 in adults 18 years of age and older.

Find out more about our Phase 2 BoosteR TRIAL   Find out more about our Phase 3 trial

Our adjuvanted recombinant protein-based vaccine candidate

The vaccine antigen is the spike protein that will stimulate the immune system to produce antibodies against the virus

Our mRNA-based vaccine candidate

The antigen is produced in the body’s cells using the genetic coding for the spike protein against which the immune system will respond by producing antibodies against the virus

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Sanofi’s Commitment to Fighting COVID-19

Throughout the ongoing pandemic, Sanofi has joined forces to fight COVID-19

Frequently Asked Questions (FAQ)

COVID-19 Press Releases

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The Impact of COVID-19 on the Prevention and Diagnosis of other Diseases

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Vaccines: our best line of defense against infectious diseases like COVID-19

Upshot Serie Article 2

Critical Routine Vaccinations: Getting Back on Track

Preventing the Preventable: Influenza Vaccination in the Time of COVID-19

World Polio Day: Driving Polio Out of Sight, Never Out of Mind

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Developing COVID-19 Vaccines: Behind the Scenes 

People with Cancer during COVID-19

Supporting People with Cancer during COVID-19

COVID-19 Highlights Value of Self-Care as First Line of Defense